Home / 1,681,034.90-2,520,021.45-615,820.10

Finding the Fourth Proportional to 1,681,034.90, 2,520,021.45 and 615,820.10

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Solution

The fourth proportional to 1,681,034.90, 2,520,021.45 and 615,820.10 is: 923,169.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,034.90 : 2,520,021.45 = 615,820.10 : x
  2. Step 2: Convert to fraction form
    1,681,034.90/2,520,021.45 = 615,820.10/x
  3. Step 3: Cross multiply
    1,681,034.90x = 2,520,021.45 × 615,820.10
  4. Step 4: Simplify right side
    1,681,034.90x = 1,551,879,861,341.15
  5. Step 5: Solve for x
    x = 1,551,879,861,341.15/1,681,034.90
  6. Step 6: Final answer
    x = 923,169.33

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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.