Home / 3,128,082.90-4,692,124.35-1,108,607.10

Finding the Fourth Proportional to 3,128,082.90, 4,692,124.35 and 1,108,607.10

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Solution

The fourth proportional to 3,128,082.90, 4,692,124.35 and 1,108,607.10 is: 1,662,910.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,082.90 : 4,692,124.35 = 1,108,607.10 : x
  2. Step 2: Convert to fraction form
    3,128,082.90/4,692,124.35 = 1,108,607.10/x
  3. Step 3: Cross multiply
    3,128,082.90x = 4,692,124.35 × 1,108,607.10
  4. Step 4: Simplify right side
    3,128,082.90x = 5,201,722,368,492.89
  5. Step 5: Solve for x
    x = 5,201,722,368,492.89/3,128,082.90
  6. Step 6: Final answer
    x = 1,662,910.65

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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.