Home / 2,012,689.60-3,018,159.60-664,331.20

Finding the Fourth Proportional to 2,012,689.60, 3,018,159.60 and 664,331.20

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Solution

The fourth proportional to 2,012,689.60, 3,018,159.60 and 664,331.20 is: 996,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,689.60 : 3,018,159.60 = 664,331.20 : x
  2. Step 2: Convert to fraction form
    2,012,689.60/3,018,159.60 = 664,331.20/x
  3. Step 3: Cross multiply
    2,012,689.60x = 3,018,159.60 × 664,331.20
  4. Step 4: Simplify right side
    2,012,689.60x = 2,005,057,588,859.52
  5. Step 5: Solve for x
    x = 2,005,057,588,859.52/2,012,689.60
  6. Step 6: Final answer
    x = 996,208.05

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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.