Home / 3,139,021.10-4,708,974.30-1,008,390.86

Finding the Fourth Proportional to 3,139,021.10, 4,708,974.30 and 1,008,390.86

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Solution

The fourth proportional to 3,139,021.10, 4,708,974.30 and 1,008,390.86 is: 1,512,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,021.10 : 4,708,974.30 = 1,008,390.86 : x
  2. Step 2: Convert to fraction form
    3,139,021.10/4,708,974.30 = 1,008,390.86/x
  3. Step 3: Cross multiply
    3,139,021.10x = 4,708,974.30 × 1,008,390.86
  4. Step 4: Simplify right side
    3,139,021.10x = 4,748,486,644,094.90
  5. Step 5: Solve for x
    x = 4,748,486,644,094.90/3,139,021.10
  6. Step 6: Final answer
    x = 1,512,728.49

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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.