Home / 2,912,676.73-4,368,314.21-890,938.40

Finding the Fourth Proportional to 2,912,676.73, 4,368,314.21 and 890,938.40

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Solution

The fourth proportional to 2,912,676.73, 4,368,314.21 and 890,938.40 is: 1,336,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,676.73 : 4,368,314.21 = 890,938.40 : x
  2. Step 2: Convert to fraction form
    2,912,676.73/4,368,314.21 = 890,938.40/x
  3. Step 3: Cross multiply
    2,912,676.73x = 4,368,314.21 × 890,938.40
  4. Step 4: Simplify right side
    2,912,676.73x = 3,891,898,846,658.40
  5. Step 5: Solve for x
    x = 3,891,898,846,658.40/2,912,676.73
  6. Step 6: Final answer
    x = 1,336,193.20

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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.