Home / 3,290,466.80-4,937,255.40-1,398,825.20

Finding the Fourth Proportional to 3,290,466.80, 4,937,255.40 and 1,398,825.20

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Solution

The fourth proportional to 3,290,466.80, 4,937,255.40 and 1,398,825.20 is: 2,098,898.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290,466.80 : 4,937,255.40 = 1,398,825.20 : x
  2. Step 2: Convert to fraction form
    3,290,466.80/4,937,255.40 = 1,398,825.20/x
  3. Step 3: Cross multiply
    3,290,466.80x = 4,937,255.40 × 1,398,825.20
  4. Step 4: Simplify right side
    3,290,466.80x = 6,906,357,272,356.08
  5. Step 5: Solve for x
    x = 6,906,357,272,356.08/3,290,466.80
  6. Step 6: Final answer
    x = 2,098,898.94

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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.