Home / 5,338,519.90-7,989,117.45-4,890,622.30

Finding the Fourth Proportional to 5,338,519.90, 7,989,117.45 and 4,890,622.30

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Solution

The fourth proportional to 5,338,519.90, 7,989,117.45 and 4,890,622.30 is: 7,318,836.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338,519.90 : 7,989,117.45 = 4,890,622.30 : x
  2. Step 2: Convert to fraction form
    5,338,519.90/7,989,117.45 = 4,890,622.30/x
  3. Step 3: Cross multiply
    5,338,519.90x = 7,989,117.45 × 4,890,622.30
  4. Step 4: Simplify right side
    5,338,519.90x = 39,071,755,958,289.13
  5. Step 5: Solve for x
    x = 39,071,755,958,289.13/5,338,519.90
  6. Step 6: Final answer
    x = 7,318,836.81

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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.