Home / 3,240,730.89-4,472,255.52-1,790,459.78

Finding the Fourth Proportional to 3,240,730.89, 4,472,255.52 and 1,790,459.78

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Solution

The fourth proportional to 3,240,730.89, 4,472,255.52 and 1,790,459.78 is: 2,470,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,730.89 : 4,472,255.52 = 1,790,459.78 : x
  2. Step 2: Convert to fraction form
    3,240,730.89/4,472,255.52 = 1,790,459.78/x
  3. Step 3: Cross multiply
    3,240,730.89x = 4,472,255.52 × 1,790,459.78
  4. Step 4: Simplify right side
    3,240,730.89x = 8,007,393,612,081.71
  5. Step 5: Solve for x
    x = 8,007,393,612,081.71/3,240,730.89
  6. Step 6: Final answer
    x = 2,470,860.40

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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.