Home / 3,187,115.20-4,398,219.30-1,736,810.20

Finding the Fourth Proportional to 3,187,115.20, 4,398,219.30 and 1,736,810.20

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Solution

The fourth proportional to 3,187,115.20, 4,398,219.30 and 1,736,810.20 is: 2,396,798.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,115.20 : 4,398,219.30 = 1,736,810.20 : x
  2. Step 2: Convert to fraction form
    3,187,115.20/4,398,219.30 = 1,736,810.20/x
  3. Step 3: Cross multiply
    3,187,115.20x = 4,398,219.30 × 1,736,810.20
  4. Step 4: Simplify right side
    3,187,115.20x = 7,638,872,142,076.86
  5. Step 5: Solve for x
    x = 7,638,872,142,076.86/3,187,115.20
  6. Step 6: Final answer
    x = 2,396,798.25

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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.