Home / 2,457,421.47-3,391,257.38-1,369,761.98

Finding the Fourth Proportional to 2,457,421.47, 3,391,257.38 and 1,369,761.98

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Solution

The fourth proportional to 2,457,421.47, 3,391,257.38 and 1,369,761.98 is: 1,890,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457,421.47 : 3,391,257.38 = 1,369,761.98 : x
  2. Step 2: Convert to fraction form
    2,457,421.47/3,391,257.38 = 1,369,761.98/x
  3. Step 3: Cross multiply
    2,457,421.47x = 3,391,257.38 × 1,369,761.98
  4. Step 4: Simplify right side
    2,457,421.47x = 4,645,215,399,713.32
  5. Step 5: Solve for x
    x = 4,645,215,399,713.32/2,457,421.47
  6. Step 6: Final answer
    x = 1,890,280.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.