Home / 2,912,185.40-4,368,278.10-1,019,118.20

Finding the Fourth Proportional to 2,912,185.40, 4,368,278.10 and 1,019,118.20

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Solution

The fourth proportional to 2,912,185.40, 4,368,278.10 and 1,019,118.20 is: 1,528,677.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,185.40 : 4,368,278.10 = 1,019,118.20 : x
  2. Step 2: Convert to fraction form
    2,912,185.40/4,368,278.10 = 1,019,118.20/x
  3. Step 3: Cross multiply
    2,912,185.40x = 4,368,278.10 × 1,019,118.20
  4. Step 4: Simplify right side
    2,912,185.40x = 4,451,791,714,371.42
  5. Step 5: Solve for x
    x = 4,451,791,714,371.42/2,912,185.40
  6. Step 6: Final answer
    x = 1,528,677.30

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Similar ratio
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1.5x scale

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.