Home / 4,256,078.40-6,384,117.60-2,660,443.20

Finding the Fourth Proportional to 4,256,078.40, 6,384,117.60 and 2,660,443.20

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Solution

The fourth proportional to 4,256,078.40, 6,384,117.60 and 2,660,443.20 is: 3,990,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256,078.40 : 6,384,117.60 = 2,660,443.20 : x
  2. Step 2: Convert to fraction form
    4,256,078.40/6,384,117.60 = 2,660,443.20/x
  3. Step 3: Cross multiply
    4,256,078.40x = 6,384,117.60 × 2,660,443.20
  4. Step 4: Simplify right side
    4,256,078.40x = 16,984,582,256,920.32
  5. Step 5: Solve for x
    x = 16,984,582,256,920.32/4,256,078.40
  6. Step 6: Final answer
    x = 3,990,664.80

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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.