Home / 3,709,728.80-5,564,969.04-1,280,565.44

Finding the Fourth Proportional to 3,709,728.80, 5,564,969.04 and 1,280,565.44

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Solution

The fourth proportional to 3,709,728.80, 5,564,969.04 and 1,280,565.44 is: 1,920,977.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709,728.80 : 5,564,969.04 = 1,280,565.44 : x
  2. Step 2: Convert to fraction form
    3,709,728.80/5,564,969.04 = 1,280,565.44/x
  3. Step 3: Cross multiply
    3,709,728.80x = 5,564,969.04 × 1,280,565.44
  4. Step 4: Simplify right side
    3,709,728.80x = 7,126,307,027,293.98
  5. Step 5: Solve for x
    x = 7,126,307,027,293.98/3,709,728.80
  6. Step 6: Final answer
    x = 1,920,977.90

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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.