Home / 4,918,746.80-7,378,120.20-3,891,294.20

Finding the Fourth Proportional to 4,918,746.80, 7,378,120.20 and 3,891,294.20

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Solution

The fourth proportional to 4,918,746.80, 7,378,120.20 and 3,891,294.20 is: 5,836,941.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918,746.80 : 7,378,120.20 = 3,891,294.20 : x
  2. Step 2: Convert to fraction form
    4,918,746.80/7,378,120.20 = 3,891,294.20/x
  3. Step 3: Cross multiply
    4,918,746.80x = 7,378,120.20 × 3,891,294.20
  4. Step 4: Simplify right side
    4,918,746.80x = 28,710,436,341,162.84
  5. Step 5: Solve for x
    x = 28,710,436,341,162.84/4,918,746.80
  6. Step 6: Final answer
    x = 5,836,941.30

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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.