Home / 3,215,852.76-4,437,885.06-1,765,641.72

Finding the Fourth Proportional to 3,215,852.76, 4,437,885.06 and 1,765,641.72

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Solution

The fourth proportional to 3,215,852.76, 4,437,885.06 and 1,765,641.72 is: 2,436,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215,852.76 : 4,437,885.06 = 1,765,641.72 : x
  2. Step 2: Convert to fraction form
    3,215,852.76/4,437,885.06 = 1,765,641.72/x
  3. Step 3: Cross multiply
    3,215,852.76x = 4,437,885.06 × 1,765,641.72
  4. Step 4: Simplify right side
    3,215,852.76x = 7,835,715,010,500.70
  5. Step 5: Solve for x
    x = 7,835,715,010,500.70/3,215,852.76
  6. Step 6: Final answer
    x = 2,436,590.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.