Home / 2,578,672.60-3,868,008.90-659,580.10

Finding the Fourth Proportional to 2,578,672.60, 3,868,008.90 and 659,580.10

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Solution

The fourth proportional to 2,578,672.60, 3,868,008.90 and 659,580.10 is: 989,370.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,672.60 : 3,868,008.90 = 659,580.10 : x
  2. Step 2: Convert to fraction form
    2,578,672.60/3,868,008.90 = 659,580.10/x
  3. Step 3: Cross multiply
    2,578,672.60x = 3,868,008.90 × 659,580.10
  4. Step 4: Simplify right side
    2,578,672.60x = 2,551,261,697,062.89
  5. Step 5: Solve for x
    x = 2,551,261,697,062.89/2,578,672.60
  6. Step 6: Final answer
    x = 989,370.15

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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.