Home / 2,158,125.70-3,237,188.55-2,065,980.10

Finding the Fourth Proportional to 2,158,125.70, 3,237,188.55 and 2,065,980.10

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Solution

The fourth proportional to 2,158,125.70, 3,237,188.55 and 2,065,980.10 is: 3,098,970.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,125.70 : 3,237,188.55 = 2,065,980.10 : x
  2. Step 2: Convert to fraction form
    2,158,125.70/3,237,188.55 = 2,065,980.10/x
  3. Step 3: Cross multiply
    2,158,125.70x = 3,237,188.55 × 2,065,980.10
  4. Step 4: Simplify right side
    2,158,125.70x = 6,687,967,124,247.86
  5. Step 5: Solve for x
    x = 6,687,967,124,247.86/2,158,125.70
  6. Step 6: Final answer
    x = 3,098,970.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.