Home / 3,155,315.20-4,732,972.80-1,558,643.20

Finding the Fourth Proportional to 3,155,315.20, 4,732,972.80 and 1,558,643.20

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Solution

The fourth proportional to 3,155,315.20, 4,732,972.80 and 1,558,643.20 is: 2,337,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,315.20 : 4,732,972.80 = 1,558,643.20 : x
  2. Step 2: Convert to fraction form
    3,155,315.20/4,732,972.80 = 1,558,643.20/x
  3. Step 3: Cross multiply
    3,155,315.20x = 4,732,972.80 × 1,558,643.20
  4. Step 4: Simplify right side
    3,155,315.20x = 7,377,015,870,504.96
  5. Step 5: Solve for x
    x = 7,377,015,870,504.96/3,155,315.20
  6. Step 6: Final answer
    x = 2,337,964.80

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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.