Home / 6,219,103.17-8,581,985.39-3,428,104.40

Finding the Fourth Proportional to 6,219,103.17, 8,581,985.39 and 3,428,104.40

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Solution

The fourth proportional to 6,219,103.17, 8,581,985.39 and 3,428,104.40 is: 4,730,576.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219,103.17 : 8,581,985.39 = 3,428,104.40 : x
  2. Step 2: Convert to fraction form
    6,219,103.17/8,581,985.39 = 3,428,104.40/x
  3. Step 3: Cross multiply
    6,219,103.17x = 8,581,985.39 × 3,428,104.40
  4. Step 4: Simplify right side
    6,219,103.17x = 29,419,941,816,144.27
  5. Step 5: Solve for x
    x = 29,419,941,816,144.27/6,219,103.17
  6. Step 6: Final answer
    x = 4,730,576.26

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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.