Home / 2,763,331.40-4,125,566.88-2,111,496.20

Finding the Fourth Proportional to 2,763,331.40, 4,125,566.88 and 2,111,496.20

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Solution

The fourth proportional to 2,763,331.40, 4,125,566.88 and 2,111,496.20 is: 3,152,397.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763,331.40 : 4,125,566.88 = 2,111,496.20 : x
  2. Step 2: Convert to fraction form
    2,763,331.40/4,125,566.88 = 2,111,496.20/x
  3. Step 3: Cross multiply
    2,763,331.40x = 4,125,566.88 × 2,111,496.20
  4. Step 4: Simplify right side
    2,763,331.40x = 8,711,118,789,965.86
  5. Step 5: Solve for x
    x = 8,711,118,789,965.86/2,763,331.40
  6. Step 6: Final answer
    x = 3,152,397.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.