Home / 2,695,129.20-4,042,693.80-2,641,985.10

Finding the Fourth Proportional to 2,695,129.20, 4,042,693.80 and 2,641,985.10

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Solution

The fourth proportional to 2,695,129.20, 4,042,693.80 and 2,641,985.10 is: 3,962,977.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695,129.20 : 4,042,693.80 = 2,641,985.10 : x
  2. Step 2: Convert to fraction form
    2,695,129.20/4,042,693.80 = 2,641,985.10/x
  3. Step 3: Cross multiply
    2,695,129.20x = 4,042,693.80 × 2,641,985.10
  4. Step 4: Simplify right side
    2,695,129.20x = 10,680,736,783,462.38
  5. Step 5: Solve for x
    x = 10,680,736,783,462.38/2,695,129.20
  6. Step 6: Final answer
    x = 3,962,977.65

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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.