Home / 1,567,605.90-2,347,909.65-1,287,669.90

Finding the Fourth Proportional to 1,567,605.90, 2,347,909.65 and 1,287,669.90

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Solution

The fourth proportional to 1,567,605.90, 2,347,909.65 and 1,287,669.90 is: 1,928,630.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,605.90 : 2,347,909.65 = 1,287,669.90 : x
  2. Step 2: Convert to fraction form
    1,567,605.90/2,347,909.65 = 1,287,669.90/x
  3. Step 3: Cross multiply
    1,567,605.90x = 2,347,909.65 × 1,287,669.90
  4. Step 4: Simplify right side
    1,567,605.90x = 3,023,332,584,224.53
  5. Step 5: Solve for x
    x = 3,023,332,584,224.53/1,567,605.90
  6. Step 6: Final answer
    x = 1,928,630.52

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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.