Home / 5,821,721.80-8,691,648.79-4,448,307.64

Finding the Fourth Proportional to 5,821,721.80, 8,691,648.79 and 4,448,307.64

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Solution

The fourth proportional to 5,821,721.80, 8,691,648.79 and 4,448,307.64 is: 6,641,184.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821,721.80 : 8,691,648.79 = 4,448,307.64 : x
  2. Step 2: Convert to fraction form
    5,821,721.80/8,691,648.79 = 4,448,307.64/x
  3. Step 3: Cross multiply
    5,821,721.80x = 8,691,648.79 × 4,448,307.64
  4. Step 4: Simplify right side
    5,821,721.80x = 38,663,127,716,753.75
  5. Step 5: Solve for x
    x = 38,663,127,716,753.75/5,821,721.80
  6. Step 6: Final answer
    x = 6,641,184.35

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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.