Home / 6,391,511.80-9,574,826.10-3,859,646.20

Finding the Fourth Proportional to 6,391,511.80, 9,574,826.10 and 3,859,646.20

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Solution

The fourth proportional to 6,391,511.80, 9,574,826.10 and 3,859,646.20 is: 5,781,956.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391,511.80 : 9,574,826.10 = 3,859,646.20 : x
  2. Step 2: Convert to fraction form
    6,391,511.80/9,574,826.10 = 3,859,646.20/x
  3. Step 3: Cross multiply
    6,391,511.80x = 9,574,826.10 × 3,859,646.20
  4. Step 4: Simplify right side
    6,391,511.80x = 36,955,441,172,525.82
  5. Step 5: Solve for x
    x = 36,955,441,172,525.82/6,391,511.80
  6. Step 6: Final answer
    x = 5,781,956.18

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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.