Home / 2,012,721.60-3,018,207.60-664,363.20

Finding the Fourth Proportional to 2,012,721.60, 3,018,207.60 and 664,363.20

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Solution

The fourth proportional to 2,012,721.60, 3,018,207.60 and 664,363.20 is: 996,256.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,721.60 : 3,018,207.60 = 664,363.20 : x
  2. Step 2: Convert to fraction form
    2,012,721.60/3,018,207.60 = 664,363.20/x
  3. Step 3: Cross multiply
    2,012,721.60x = 3,018,207.60 × 664,363.20
  4. Step 4: Simplify right side
    2,012,721.60x = 2,005,186,059,400.32
  5. Step 5: Solve for x
    x = 2,005,186,059,400.32/2,012,721.60
  6. Step 6: Final answer
    x = 996,256.04

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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.