Home / 1,912,011.21-2,867,028.41-564,001.72

Finding the Fourth Proportional to 1,912,011.21, 2,867,028.41 and 564,001.72

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Solution

The fourth proportional to 1,912,011.21, 2,867,028.41 and 564,001.72 is: 845,711.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,011.21 : 2,867,028.41 = 564,001.72 : x
  2. Step 2: Convert to fraction form
    1,912,011.21/2,867,028.41 = 564,001.72/x
  3. Step 3: Cross multiply
    1,912,011.21x = 2,867,028.41 × 564,001.72
  4. Step 4: Simplify right side
    1,912,011.21x = 1,617,008,948,771.30
  5. Step 5: Solve for x
    x = 1,617,008,948,771.30/1,912,011.21
  6. Step 6: Final answer
    x = 845,711.02

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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.