Home / 3,125,404.80-4,680,734.40-1,931,011.20

Finding the Fourth Proportional to 3,125,404.80, 4,680,734.40 and 1,931,011.20

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Solution

The fourth proportional to 3,125,404.80, 4,680,734.40 and 1,931,011.20 is: 2,891,961.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125,404.80 : 4,680,734.40 = 1,931,011.20 : x
  2. Step 2: Convert to fraction form
    3,125,404.80/4,680,734.40 = 1,931,011.20/x
  3. Step 3: Cross multiply
    3,125,404.80x = 4,680,734.40 × 1,931,011.20
  4. Step 4: Simplify right side
    3,125,404.80x = 9,038,550,550,625.28
  5. Step 5: Solve for x
    x = 9,038,550,550,625.28/3,125,404.80
  6. Step 6: Final answer
    x = 2,891,961.56

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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.