Home / 3,161,966.40-4,743,080.80-918,104.40

Finding the Fourth Proportional to 3,161,966.40, 4,743,080.80 and 918,104.40

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Solution

The fourth proportional to 3,161,966.40, 4,743,080.80 and 918,104.40 is: 1,377,194.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161,966.40 : 4,743,080.80 = 918,104.40 : x
  2. Step 2: Convert to fraction form
    3,161,966.40/4,743,080.80 = 918,104.40/x
  3. Step 3: Cross multiply
    3,161,966.40x = 4,743,080.80 × 918,104.40
  4. Step 4: Simplify right side
    3,161,966.40x = 4,354,643,352,035.52
  5. Step 5: Solve for x
    x = 4,354,643,352,035.52/3,161,966.40
  6. Step 6: Final answer
    x = 1,377,194.70

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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.