Home / 3,864,913.66-5,771,343.88-3,156,347.26

Finding the Fourth Proportional to 3,864,913.66, 5,771,343.88 and 3,156,347.26

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Solution

The fourth proportional to 3,864,913.66, 5,771,343.88 and 3,156,347.26 is: 4,713,265.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864,913.66 : 5,771,343.88 = 3,156,347.26 : x
  2. Step 2: Convert to fraction form
    3,864,913.66/5,771,343.88 = 3,156,347.26/x
  3. Step 3: Cross multiply
    3,864,913.66x = 5,771,343.88 × 3,156,347.26
  4. Step 4: Simplify right side
    3,864,913.66x = 18,216,365,442,155.77
  5. Step 5: Solve for x
    x = 18,216,365,442,155.77/3,864,913.66
  6. Step 6: Final answer
    x = 4,713,265.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.