Home / 1,991,446.29-2,984,344.15-1,534,308.21

Finding the Fourth Proportional to 1,991,446.29, 2,984,344.15 and 1,534,308.21

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Solution

The fourth proportional to 1,991,446.29, 2,984,344.15 and 1,534,308.21 is: 2,299,285.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,446.29 : 2,984,344.15 = 1,534,308.21 : x
  2. Step 2: Convert to fraction form
    1,991,446.29/2,984,344.15 = 1,534,308.21/x
  3. Step 3: Cross multiply
    1,991,446.29x = 2,984,344.15 × 1,534,308.21
  4. Step 4: Simplify right side
    1,991,446.29x = 4,578,903,730,810.47
  5. Step 5: Solve for x
    x = 4,578,903,730,810.47/1,991,446.29
  6. Step 6: Final answer
    x = 2,299,285.58

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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.