Home / 3,141,821.28-4,712,637.76-867,484.72

Finding the Fourth Proportional to 3,141,821.28, 4,712,637.76 and 867,484.72

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Solution

The fourth proportional to 3,141,821.28, 4,712,637.76 and 867,484.72 is: 1,301,201.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141,821.28 : 4,712,637.76 = 867,484.72 : x
  2. Step 2: Convert to fraction form
    3,141,821.28/4,712,637.76 = 867,484.72/x
  3. Step 3: Cross multiply
    3,141,821.28x = 4,712,637.76 × 867,484.72
  4. Step 4: Simplify right side
    3,141,821.28x = 4,088,141,247,695.03
  5. Step 5: Solve for x
    x = 4,088,141,247,695.03/3,141,821.28
  6. Step 6: Final answer
    x = 1,301,201.08

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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.