Home / 1,931,584.86-2,897,432.10-511,641.09

Finding the Fourth Proportional to 1,931,584.86, 2,897,432.10 and 511,641.09

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Solution

The fourth proportional to 1,931,584.86, 2,897,432.10 and 511,641.09 is: 767,476.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,584.86 : 2,897,432.10 = 511,641.09 : x
  2. Step 2: Convert to fraction form
    1,931,584.86/2,897,432.10 = 511,641.09/x
  3. Step 3: Cross multiply
    1,931,584.86x = 2,897,432.10 × 511,641.09
  4. Step 4: Simplify right side
    1,931,584.86x = 1,482,445,317,844.99
  5. Step 5: Solve for x
    x = 1,482,445,317,844.99/1,931,584.86
  6. Step 6: Final answer
    x = 767,476.15

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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.