Home / 1,521,309.40-2,281,964.10-1,427,997.40

Finding the Fourth Proportional to 1,521,309.40, 2,281,964.10 and 1,427,997.40

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Solution

The fourth proportional to 1,521,309.40, 2,281,964.10 and 1,427,997.40 is: 2,141,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,309.40 : 2,281,964.10 = 1,427,997.40 : x
  2. Step 2: Convert to fraction form
    1,521,309.40/2,281,964.10 = 1,427,997.40/x
  3. Step 3: Cross multiply
    1,521,309.40x = 2,281,964.10 × 1,427,997.40
  4. Step 4: Simplify right side
    1,521,309.40x = 3,258,638,801,693.34
  5. Step 5: Solve for x
    x = 3,258,638,801,693.34/1,521,309.40
  6. Step 6: Final answer
    x = 2,141,996.10

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Similar ratio
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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.