Home / 2,981,661.60-4,472,492.40-987,117.60

Finding the Fourth Proportional to 2,981,661.60, 4,472,492.40 and 987,117.60

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Solution

The fourth proportional to 2,981,661.60, 4,472,492.40 and 987,117.60 is: 1,480,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,661.60 : 4,472,492.40 = 987,117.60 : x
  2. Step 2: Convert to fraction form
    2,981,661.60/4,472,492.40 = 987,117.60/x
  3. Step 3: Cross multiply
    2,981,661.60x = 4,472,492.40 × 987,117.60
  4. Step 4: Simplify right side
    2,981,661.60x = 4,414,875,963,906.24
  5. Step 5: Solve for x
    x = 4,414,875,963,906.24/2,981,661.60
  6. Step 6: Final answer
    x = 1,480,676.40

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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.