Home / 2,172,948.40-3,264,337.80-1,509,396.40

Finding the Fourth Proportional to 2,172,948.40, 3,264,337.80 and 1,509,396.40

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Solution

The fourth proportional to 2,172,948.40, 3,264,337.80 and 1,509,396.40 is: 2,267,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,948.40 : 3,264,337.80 = 1,509,396.40 : x
  2. Step 2: Convert to fraction form
    2,172,948.40/3,264,337.80 = 1,509,396.40/x
  3. Step 3: Cross multiply
    2,172,948.40x = 3,264,337.80 × 1,509,396.40
  4. Step 4: Simplify right side
    2,172,948.40x = 4,927,179,723,703.92
  5. Step 5: Solve for x
    x = 4,927,179,723,703.92/2,172,948.40
  6. Step 6: Final answer
    x = 2,267,508.85

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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.