Home / 2,158,137.70-3,237,206.55-2,065,992.10

Finding the Fourth Proportional to 2,158,137.70, 3,237,206.55 and 2,065,992.10

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Solution

The fourth proportional to 2,158,137.70, 3,237,206.55 and 2,065,992.10 is: 3,098,988.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,137.70 : 3,237,206.55 = 2,065,992.10 : x
  2. Step 2: Convert to fraction form
    2,158,137.70/3,237,206.55 = 2,065,992.10/x
  3. Step 3: Cross multiply
    2,158,137.70x = 3,237,206.55 × 2,065,992.10
  4. Step 4: Simplify right side
    2,158,137.70x = 6,688,043,158,368.26
  5. Step 5: Solve for x
    x = 6,688,043,158,368.26/2,158,137.70
  6. Step 6: Final answer
    x = 3,098,988.15

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Similar ratio
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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.