Home / 5,274,205.12-7,908,690.52-1,679,503.72

Finding the Fourth Proportional to 5,274,205.12, 7,908,690.52 and 1,679,503.72

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Solution

The fourth proportional to 5,274,205.12, 7,908,690.52 and 1,679,503.72 is: 2,518,422.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274,205.12 : 7,908,690.52 = 1,679,503.72 : x
  2. Step 2: Convert to fraction form
    5,274,205.12/7,908,690.52 = 1,679,503.72/x
  3. Step 3: Cross multiply
    5,274,205.12x = 7,908,690.52 × 1,679,503.72
  4. Step 4: Simplify right side
    5,274,205.12x = 13,282,675,148,668.73
  5. Step 5: Solve for x
    x = 13,282,675,148,668.73/5,274,205.12
  6. Step 6: Final answer
    x = 2,518,422.18

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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.