Home / 2,287,832.49-3,430,874.72-771,107.90

Finding the Fourth Proportional to 2,287,832.49, 3,430,874.72 and 771,107.90

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Solution

The fourth proportional to 2,287,832.49, 3,430,874.72 and 771,107.90 is: 1,156,367.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287,832.49 : 3,430,874.72 = 771,107.90 : x
  2. Step 2: Convert to fraction form
    2,287,832.49/3,430,874.72 = 771,107.90/x
  3. Step 3: Cross multiply
    2,287,832.49x = 3,430,874.72 × 771,107.90
  4. Step 4: Simplify right side
    2,287,832.49x = 2,645,574,579,492.38
  5. Step 5: Solve for x
    x = 2,645,574,579,492.38/2,287,832.49
  6. Step 6: Final answer
    x = 1,156,367.26

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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.