Home / 3,142,878.75-4,336,968.56-1,853,423.55

Finding the Fourth Proportional to 3,142,878.75, 4,336,968.56 and 1,853,423.55

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Solution

The fourth proportional to 3,142,878.75, 4,336,968.56 and 1,853,423.55 is: 2,557,604.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142,878.75 : 4,336,968.56 = 1,853,423.55 : x
  2. Step 2: Convert to fraction form
    3,142,878.75/4,336,968.56 = 1,853,423.55/x
  3. Step 3: Cross multiply
    3,142,878.75x = 4,336,968.56 × 1,853,423.55
  4. Step 4: Simplify right side
    3,142,878.75x = 8,038,239,655,446.47
  5. Step 5: Solve for x
    x = 8,038,239,655,446.47/3,142,878.75
  6. Step 6: Final answer
    x = 2,557,604.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.