Home / 2,916,425.96-4,374,612.70-921,882.60

Finding the Fourth Proportional to 2,916,425.96, 4,374,612.70 and 921,882.60

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Solution

The fourth proportional to 2,916,425.96, 4,374,612.70 and 921,882.60 is: 1,382,815.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,425.96 : 4,374,612.70 = 921,882.60 : x
  2. Step 2: Convert to fraction form
    2,916,425.96/4,374,612.70 = 921,882.60/x
  3. Step 3: Cross multiply
    2,916,425.96x = 4,374,612.70 × 921,882.60
  4. Step 4: Simplify right side
    2,916,425.96x = 4,032,879,329,869.02
  5. Step 5: Solve for x
    x = 4,032,879,329,869.02/2,916,425.96
  6. Step 6: Final answer
    x = 1,382,815.61

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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.