Home / 2,905,223.72-4,358,535.90-910,679.72

Finding the Fourth Proportional to 2,905,223.72, 4,358,535.90 and 910,679.72

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Solution

The fourth proportional to 2,905,223.72, 4,358,535.90 and 910,679.72 is: 1,366,239.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905,223.72 : 4,358,535.90 = 910,679.72 : x
  2. Step 2: Convert to fraction form
    2,905,223.72/4,358,535.90 = 910,679.72/x
  3. Step 3: Cross multiply
    2,905,223.72x = 4,358,535.90 × 910,679.72
  4. Step 4: Simplify right side
    2,905,223.72x = 3,969,230,253,021.95
  5. Step 5: Solve for x
    x = 3,969,230,253,021.95/2,905,223.72
  6. Step 6: Final answer
    x = 1,366,239.10

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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.