Home / 4,380,963.60-6,571,445.40-1,389,147.60

Finding the Fourth Proportional to 4,380,963.60, 6,571,445.40 and 1,389,147.60

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Solution

The fourth proportional to 4,380,963.60, 6,571,445.40 and 1,389,147.60 is: 2,083,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380,963.60 : 6,571,445.40 = 1,389,147.60 : x
  2. Step 2: Convert to fraction form
    4,380,963.60/6,571,445.40 = 1,389,147.60/x
  3. Step 3: Cross multiply
    4,380,963.60x = 6,571,445.40 × 1,389,147.60
  4. Step 4: Simplify right side
    4,380,963.60x = 9,128,707,605,941.04
  5. Step 5: Solve for x
    x = 9,128,707,605,941.04/4,380,963.60
  6. Step 6: Final answer
    x = 2,083,721.40

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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.