Home / 1,989,355.52-2,984,615.55-641,491.01

Finding the Fourth Proportional to 1,989,355.52, 2,984,615.55 and 641,491.01

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Solution

The fourth proportional to 1,989,355.52, 2,984,615.55 and 641,491.01 is: 962,424.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,355.52 : 2,984,615.55 = 641,491.01 : x
  2. Step 2: Convert to fraction form
    1,989,355.52/2,984,615.55 = 641,491.01/x
  3. Step 3: Cross multiply
    1,989,355.52x = 2,984,615.55 × 641,491.01
  4. Step 4: Simplify right side
    1,989,355.52x = 1,914,604,028,708.13
  5. Step 5: Solve for x
    x = 1,914,604,028,708.13/1,989,355.52
  6. Step 6: Final answer
    x = 962,424.27

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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.