Home / 3,157,320.80-4,732,870.80-1,560,130.40

Finding the Fourth Proportional to 3,157,320.80, 4,732,870.80 and 1,560,130.40

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Solution

The fourth proportional to 3,157,320.80, 4,732,870.80 and 1,560,130.40 is: 2,338,658.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157,320.80 : 4,732,870.80 = 1,560,130.40 : x
  2. Step 2: Convert to fraction form
    3,157,320.80/4,732,870.80 = 1,560,130.40/x
  3. Step 3: Cross multiply
    3,157,320.80x = 4,732,870.80 × 1,560,130.40
  4. Step 4: Simplify right side
    3,157,320.80x = 7,383,895,614,352.32
  5. Step 5: Solve for x
    x = 7,383,895,614,352.32/3,157,320.80
  6. Step 6: Final answer
    x = 2,338,658.65

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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.