Home / 3,040,680.60-4,561,020.90-1,620,005.40

Finding the Fourth Proportional to 3,040,680.60, 4,561,020.90 and 1,620,005.40

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Solution

The fourth proportional to 3,040,680.60, 4,561,020.90 and 1,620,005.40 is: 2,430,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040,680.60 : 4,561,020.90 = 1,620,005.40 : x
  2. Step 2: Convert to fraction form
    3,040,680.60/4,561,020.90 = 1,620,005.40/x
  3. Step 3: Cross multiply
    3,040,680.60x = 4,561,020.90 × 1,620,005.40
  4. Step 4: Simplify right side
    3,040,680.60x = 7,388,878,487,512.86
  5. Step 5: Solve for x
    x = 7,388,878,487,512.86/3,040,680.60
  6. Step 6: Final answer
    x = 2,430,008.10

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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.