Home / 1,542,447.90-2,313,671.85-911,036.70

Finding the Fourth Proportional to 1,542,447.90, 2,313,671.85 and 911,036.70

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Solution

The fourth proportional to 1,542,447.90, 2,313,671.85 and 911,036.70 is: 1,366,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,447.90 : 2,313,671.85 = 911,036.70 : x
  2. Step 2: Convert to fraction form
    1,542,447.90/2,313,671.85 = 911,036.70/x
  3. Step 3: Cross multiply
    1,542,447.90x = 2,313,671.85 × 911,036.70
  4. Step 4: Simplify right side
    1,542,447.90x = 2,107,839,967,106.90
  5. Step 5: Solve for x
    x = 2,107,839,967,106.90/1,542,447.90
  6. Step 6: Final answer
    x = 1,366,555.05

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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.