Home / 2,170,490.20-3,256,901.70-908,445.40

Finding the Fourth Proportional to 2,170,490.20, 3,256,901.70 and 908,445.40

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Solution

The fourth proportional to 2,170,490.20, 3,256,901.70 and 908,445.40 is: 1,363,156.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,490.20 : 3,256,901.70 = 908,445.40 : x
  2. Step 2: Convert to fraction form
    2,170,490.20/3,256,901.70 = 908,445.40/x
  3. Step 3: Cross multiply
    2,170,490.20x = 3,256,901.70 × 908,445.40
  4. Step 4: Simplify right side
    2,170,490.20x = 2,958,717,367,617.18
  5. Step 5: Solve for x
    x = 2,958,717,367,617.18/2,170,490.20
  6. Step 6: Final answer
    x = 1,363,156.29

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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.