Home / 2,641,129.60-3,951,196.80-2,290,043.20

Finding the Fourth Proportional to 2,641,129.60, 3,951,196.80 and 2,290,043.20

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Solution

The fourth proportional to 2,641,129.60, 3,951,196.80 and 2,290,043.20 is: 3,425,962.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641,129.60 : 3,951,196.80 = 2,290,043.20 : x
  2. Step 2: Convert to fraction form
    2,641,129.60/3,951,196.80 = 2,290,043.20/x
  3. Step 3: Cross multiply
    2,641,129.60x = 3,951,196.80 × 2,290,043.20
  4. Step 4: Simplify right side
    2,641,129.60x = 9,048,411,363,701.76
  5. Step 5: Solve for x
    x = 9,048,411,363,701.76/2,641,129.60
  6. Step 6: Final answer
    x = 3,425,962.65

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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.