Home / 2,340,347.40-3,510,521.10-919,672.20

Finding the Fourth Proportional to 2,340,347.40, 3,510,521.10 and 919,672.20

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Solution

The fourth proportional to 2,340,347.40, 3,510,521.10 and 919,672.20 is: 1,379,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340,347.40 : 3,510,521.10 = 919,672.20 : x
  2. Step 2: Convert to fraction form
    2,340,347.40/3,510,521.10 = 919,672.20/x
  3. Step 3: Cross multiply
    2,340,347.40x = 3,510,521.10 × 919,672.20
  4. Step 4: Simplify right side
    2,340,347.40x = 3,228,528,663,183.42
  5. Step 5: Solve for x
    x = 3,228,528,663,183.42/2,340,347.40
  6. Step 6: Final answer
    x = 1,379,508.30

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Double scale
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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.