Home / 1,989,267.20-2,984,289.60-852,027.20

Finding the Fourth Proportional to 1,989,267.20, 2,984,289.60 and 852,027.20

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Solution

The fourth proportional to 1,989,267.20, 2,984,289.60 and 852,027.20 is: 1,278,207.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,267.20 : 2,984,289.60 = 852,027.20 : x
  2. Step 2: Convert to fraction form
    1,989,267.20/2,984,289.60 = 852,027.20/x
  3. Step 3: Cross multiply
    1,989,267.20x = 2,984,289.60 × 852,027.20
  4. Step 4: Simplify right side
    1,989,267.20x = 2,542,695,911,877.12
  5. Step 5: Solve for x
    x = 2,542,695,911,877.12/1,989,267.20
  6. Step 6: Final answer
    x = 1,278,207.33

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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.