Home / 3,121,501.10-4,306,475.64-1,897,359.97

Finding the Fourth Proportional to 3,121,501.10, 4,306,475.64 and 1,897,359.97

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Solution

The fourth proportional to 3,121,501.10, 4,306,475.64 and 1,897,359.97 is: 2,617,629.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,501.10 : 4,306,475.64 = 1,897,359.97 : x
  2. Step 2: Convert to fraction form
    3,121,501.10/4,306,475.64 = 1,897,359.97/x
  3. Step 3: Cross multiply
    3,121,501.10x = 4,306,475.64 × 1,897,359.97
  4. Step 4: Simplify right side
    3,121,501.10x = 8,170,934,473,234.84
  5. Step 5: Solve for x
    x = 8,170,934,473,234.84/3,121,501.10
  6. Step 6: Final answer
    x = 2,617,629.86

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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.