Home / 5,217,292.20-7,816,607.10-3,220,415.40

Finding the Fourth Proportional to 5,217,292.20, 7,816,607.10 and 3,220,415.40

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Solution

The fourth proportional to 5,217,292.20, 7,816,607.10 and 3,220,415.40 is: 4,824,863.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217,292.20 : 7,816,607.10 = 3,220,415.40 : x
  2. Step 2: Convert to fraction form
    5,217,292.20/7,816,607.10 = 3,220,415.40/x
  3. Step 3: Cross multiply
    5,217,292.20x = 7,816,607.10 × 3,220,415.40
  4. Step 4: Simplify right side
    5,217,292.20x = 25,172,721,880,589.34
  5. Step 5: Solve for x
    x = 25,172,721,880,589.34/5,217,292.20
  6. Step 6: Final answer
    x = 4,824,863.34

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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.