Home / 3,915,093.20-5,872,639.80-2,575,720.40

Finding the Fourth Proportional to 3,915,093.20, 5,872,639.80 and 2,575,720.40

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Solution

The fourth proportional to 3,915,093.20, 5,872,639.80 and 2,575,720.40 is: 3,863,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,093.20 : 5,872,639.80 = 2,575,720.40 : x
  2. Step 2: Convert to fraction form
    3,915,093.20/5,872,639.80 = 2,575,720.40/x
  3. Step 3: Cross multiply
    3,915,093.20x = 5,872,639.80 × 2,575,720.40
  4. Step 4: Simplify right side
    3,915,093.20x = 15,126,278,134,711.92
  5. Step 5: Solve for x
    x = 15,126,278,134,711.92/3,915,093.20
  6. Step 6: Final answer
    x = 3,863,580.60

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1.5x scale

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.