Home / 2,225,646.20-3,071,395.32-1,207,051.76

Finding the Fourth Proportional to 2,225,646.20, 3,071,395.32 and 1,207,051.76

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Solution

The fourth proportional to 2,225,646.20, 3,071,395.32 and 1,207,051.76 is: 1,665,733.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225,646.20 : 3,071,395.32 = 1,207,051.76 : x
  2. Step 2: Convert to fraction form
    2,225,646.20/3,071,395.32 = 1,207,051.76/x
  3. Step 3: Cross multiply
    2,225,646.20x = 3,071,395.32 × 1,207,051.76
  4. Step 4: Simplify right side
    2,225,646.20x = 3,707,333,126,661.76
  5. Step 5: Solve for x
    x = 3,707,333,126,661.76/2,225,646.20
  6. Step 6: Final answer
    x = 1,665,733.36

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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.