Home / 3,160,390.68-4,360,577.90-1,919,965

Finding the Fourth Proportional to 3,160,390.68, 4,360,577.90 and 1,919,965

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Solution

The fourth proportional to 3,160,390.68, 4,360,577.90 and 1,919,965 is: 2,649,089.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160,390.68 : 4,360,577.90 = 1,919,965 : x
  2. Step 2: Convert to fraction form
    3,160,390.68/4,360,577.90 = 1,919,965/x
  3. Step 3: Cross multiply
    3,160,390.68x = 4,360,577.90 × 1,919,965
  4. Step 4: Simplify right side
    3,160,390.68x = 8,372,156,947,773.50
  5. Step 5: Solve for x
    x = 8,372,156,947,773.50/3,160,390.68
  6. Step 6: Final answer
    x = 2,649,089.24

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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.