Home / 5,172,852.70-7,759,279.14-1,578,638.08

Finding the Fourth Proportional to 5,172,852.70, 7,759,279.14 and 1,578,638.08

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Solution

The fourth proportional to 5,172,852.70, 7,759,279.14 and 1,578,638.08 is: 2,367,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,852.70 : 7,759,279.14 = 1,578,638.08 : x
  2. Step 2: Convert to fraction form
    5,172,852.70/7,759,279.14 = 1,578,638.08/x
  3. Step 3: Cross multiply
    5,172,852.70x = 7,759,279.14 × 1,578,638.08
  4. Step 4: Simplify right side
    5,172,852.70x = 12,249,093,523,753.65
  5. Step 5: Solve for x
    x = 12,249,093,523,753.65/5,172,852.70
  6. Step 6: Final answer
    x = 2,367,957.15

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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.