Home / 1,969,990.60-2,953,236.30-1,170,423.40

Finding the Fourth Proportional to 1,969,990.60, 2,953,236.30 and 1,170,423.40

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Solution

The fourth proportional to 1,969,990.60, 2,953,236.30 and 1,170,423.40 is: 1,754,595.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,990.60 : 2,953,236.30 = 1,170,423.40 : x
  2. Step 2: Convert to fraction form
    1,969,990.60/2,953,236.30 = 1,170,423.40/x
  3. Step 3: Cross multiply
    1,969,990.60x = 2,953,236.30 × 1,170,423.40
  4. Step 4: Simplify right side
    1,969,990.60x = 3,456,536,871,249.42
  5. Step 5: Solve for x
    x = 3,456,536,871,249.42/1,969,990.60
  6. Step 6: Final answer
    x = 1,754,595.62

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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.