Home / 2,828,279.10-4,242,440.16-806,521.27

Finding the Fourth Proportional to 2,828,279.10, 4,242,440.16 and 806,521.27

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Solution

The fourth proportional to 2,828,279.10, 4,242,440.16 and 806,521.27 is: 1,209,788.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828,279.10 : 4,242,440.16 = 806,521.27 : x
  2. Step 2: Convert to fraction form
    2,828,279.10/4,242,440.16 = 806,521.27/x
  3. Step 3: Cross multiply
    2,828,279.10x = 4,242,440.16 × 806,521.27
  4. Step 4: Simplify right side
    2,828,279.10x = 3,421,618,225,742.20
  5. Step 5: Solve for x
    x = 3,421,618,225,742.20/2,828,279.10
  6. Step 6: Final answer
    x = 1,209,788.04

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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.