Home / 3,141,303.81-4,712,194.40-1,221,390.11

Finding the Fourth Proportional to 3,141,303.81, 4,712,194.40 and 1,221,390.11

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Solution

The fourth proportional to 3,141,303.81, 4,712,194.40 and 1,221,390.11 is: 1,832,177.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141,303.81 : 4,712,194.40 = 1,221,390.11 : x
  2. Step 2: Convert to fraction form
    3,141,303.81/4,712,194.40 = 1,221,390.11/x
  3. Step 3: Cross multiply
    3,141,303.81x = 4,712,194.40 × 1,221,390.11
  4. Step 4: Simplify right side
    3,141,303.81x = 5,755,427,606,889.46
  5. Step 5: Solve for x
    x = 5,755,427,606,889.46/3,141,303.81
  6. Step 6: Final answer
    x = 1,832,177.96

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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.