Home / 2,008,443.60-3,012,665.40-678,728.40

Finding the Fourth Proportional to 2,008,443.60, 3,012,665.40 and 678,728.40

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Solution

The fourth proportional to 2,008,443.60, 3,012,665.40 and 678,728.40 is: 1,018,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008,443.60 : 3,012,665.40 = 678,728.40 : x
  2. Step 2: Convert to fraction form
    2,008,443.60/3,012,665.40 = 678,728.40/x
  3. Step 3: Cross multiply
    2,008,443.60x = 3,012,665.40 × 678,728.40
  4. Step 4: Simplify right side
    2,008,443.60x = 2,044,781,566,677.36
  5. Step 5: Solve for x
    x = 2,044,781,566,677.36/2,008,443.60
  6. Step 6: Final answer
    x = 1,018,092.60

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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.