Home / 4,142,512.62-5,718,904.02-2,905,911.72

Finding the Fourth Proportional to 4,142,512.62, 5,718,904.02 and 2,905,911.72

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Solution

The fourth proportional to 4,142,512.62, 5,718,904.02 and 2,905,911.72 is: 4,011,727.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142,512.62 : 5,718,904.02 = 2,905,911.72 : x
  2. Step 2: Convert to fraction form
    4,142,512.62/5,718,904.02 = 2,905,911.72/x
  3. Step 3: Cross multiply
    4,142,512.62x = 5,718,904.02 × 2,905,911.72
  4. Step 4: Simplify right side
    4,142,512.62x = 16,618,630,217,273.12
  5. Step 5: Solve for x
    x = 16,618,630,217,273.12/4,142,512.62
  6. Step 6: Final answer
    x = 4,011,727.12

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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.