Home / 4,258,789.65-6,382,868.13-2,129,482.71

Finding the Fourth Proportional to 4,258,789.65, 6,382,868.13 and 2,129,482.71

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Solution

The fourth proportional to 4,258,789.65, 6,382,868.13 and 2,129,482.71 is: 3,191,565.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258,789.65 : 6,382,868.13 = 2,129,482.71 : x
  2. Step 2: Convert to fraction form
    4,258,789.65/6,382,868.13 = 2,129,482.71/x
  3. Step 3: Cross multiply
    4,258,789.65x = 6,382,868.13 × 2,129,482.71
  4. Step 4: Simplify right side
    4,258,789.65x = 13,592,207,323,045.03
  5. Step 5: Solve for x
    x = 13,592,207,323,045.03/4,258,789.65
  6. Step 6: Final answer
    x = 3,191,565.78

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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.