Home / 1,631,430.83-2,251,438.38-1,116,265.21

Finding the Fourth Proportional to 1,631,430.83, 2,251,438.38 and 1,116,265.21

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Solution

The fourth proportional to 1,631,430.83, 2,251,438.38 and 1,116,265.21 is: 1,540,489.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,430.83 : 2,251,438.38 = 1,116,265.21 : x
  2. Step 2: Convert to fraction form
    1,631,430.83/2,251,438.38 = 1,116,265.21/x
  3. Step 3: Cross multiply
    1,631,430.83x = 2,251,438.38 × 1,116,265.21
  4. Step 4: Simplify right side
    1,631,430.83x = 2,513,202,330,424.16
  5. Step 5: Solve for x
    x = 2,513,202,330,424.16/1,631,430.83
  6. Step 6: Final answer
    x = 1,540,489.66

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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.