Home / 3,102,064.08-4,280,787-1,725,378.15

Finding the Fourth Proportional to 3,102,064.08, 4,280,787 and 1,725,378.15

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Solution

The fourth proportional to 3,102,064.08, 4,280,787 and 1,725,378.15 is: 2,380,987.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,064.08 : 4,280,787 = 1,725,378.15 : x
  2. Step 2: Convert to fraction form
    3,102,064.08/4,280,787 = 1,725,378.15/x
  3. Step 3: Cross multiply
    3,102,064.08x = 4,280,787 × 1,725,378.15
  4. Step 4: Simplify right side
    3,102,064.08x = 7,385,976,354,604.05
  5. Step 5: Solve for x
    x = 7,385,976,354,604.05/3,102,064.08
  6. Step 6: Final answer
    x = 2,380,987.68

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1.5x scale

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.