Home / 1,980,085.01-2,970,102.43-632,230.53

Finding the Fourth Proportional to 1,980,085.01, 2,970,102.43 and 632,230.53

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Solution

The fourth proportional to 1,980,085.01, 2,970,102.43 and 632,230.53 is: 948,337.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,085.01 : 2,970,102.43 = 632,230.53 : x
  2. Step 2: Convert to fraction form
    1,980,085.01/2,970,102.43 = 632,230.53/x
  3. Step 3: Cross multiply
    1,980,085.01x = 2,970,102.43 × 632,230.53
  4. Step 4: Simplify right side
    1,980,085.01x = 1,877,789,427,302.30
  5. Step 5: Solve for x
    x = 1,877,789,427,302.30/1,980,085.01
  6. Step 6: Final answer
    x = 948,337.78

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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.