Home / 3,989,800.54-5,985,541.44-1,293,915.55

Finding the Fourth Proportional to 3,989,800.54, 5,985,541.44 and 1,293,915.55

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Solution

The fourth proportional to 3,989,800.54, 5,985,541.44 and 1,293,915.55 is: 1,941,145.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,800.54 : 5,985,541.44 = 1,293,915.55 : x
  2. Step 2: Convert to fraction form
    3,989,800.54/5,985,541.44 = 1,293,915.55/x
  3. Step 3: Cross multiply
    3,989,800.54x = 5,985,541.44 × 1,293,915.55
  4. Step 4: Simplify right side
    3,989,800.54x = 7,744,785,144,385.39
  5. Step 5: Solve for x
    x = 7,744,785,144,385.39/3,989,800.54
  6. Step 6: Final answer
    x = 1,941,145.95

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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.