Home / 3,635,280.40-5,017,060.20-2,185,448.08

Finding the Fourth Proportional to 3,635,280.40, 5,017,060.20 and 2,185,448.08

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Solution

The fourth proportional to 3,635,280.40, 5,017,060.20 and 2,185,448.08 is: 3,016,142.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635,280.40 : 5,017,060.20 = 2,185,448.08 : x
  2. Step 2: Convert to fraction form
    3,635,280.40/5,017,060.20 = 2,185,448.08/x
  3. Step 3: Cross multiply
    3,635,280.40x = 5,017,060.20 × 2,185,448.08
  4. Step 4: Simplify right side
    3,635,280.40x = 10,964,524,581,334.42
  5. Step 5: Solve for x
    x = 10,964,524,581,334.42/3,635,280.40
  6. Step 6: Final answer
    x = 3,016,142.74

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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.