Home / 2,910,088.76-4,015,615.32-1,686,778.04

Finding the Fourth Proportional to 2,910,088.76, 4,015,615.32 and 1,686,778.04

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Solution

The fourth proportional to 2,910,088.76, 4,015,615.32 and 1,686,778.04 is: 2,327,575.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910,088.76 : 4,015,615.32 = 1,686,778.04 : x
  2. Step 2: Convert to fraction form
    2,910,088.76/4,015,615.32 = 1,686,778.04/x
  3. Step 3: Cross multiply
    2,910,088.76x = 4,015,615.32 × 1,686,778.04
  4. Step 4: Simplify right side
    2,910,088.76x = 6,773,451,738,863.57
  5. Step 5: Solve for x
    x = 6,773,451,738,863.57/2,910,088.76
  6. Step 6: Final answer
    x = 2,327,575.65

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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.