Home / 2,158,121.70-3,237,182.55-2,065,976.10

Finding the Fourth Proportional to 2,158,121.70, 3,237,182.55 and 2,065,976.10

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Solution

The fourth proportional to 2,158,121.70, 3,237,182.55 and 2,065,976.10 is: 3,098,964.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,121.70 : 3,237,182.55 = 2,065,976.10 : x
  2. Step 2: Convert to fraction form
    2,158,121.70/3,237,182.55 = 2,065,976.10/x
  3. Step 3: Cross multiply
    2,158,121.70x = 3,237,182.55 × 2,065,976.10
  4. Step 4: Simplify right side
    2,158,121.70x = 6,687,941,779,637.06
  5. Step 5: Solve for x
    x = 6,687,941,779,637.06/2,158,121.70
  6. Step 6: Final answer
    x = 3,098,964.15

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Double scale
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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.