Home / 5,827,279.20-8,743,440.60-3,128,456.40

Finding the Fourth Proportional to 5,827,279.20, 8,743,440.60 and 3,128,456.40

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Solution

The fourth proportional to 5,827,279.20, 8,743,440.60 and 3,128,456.40 is: 4,694,038.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827,279.20 : 8,743,440.60 = 3,128,456.40 : x
  2. Step 2: Convert to fraction form
    5,827,279.20/8,743,440.60 = 3,128,456.40/x
  3. Step 3: Cross multiply
    5,827,279.20x = 8,743,440.60 × 3,128,456.40
  4. Step 4: Simplify right side
    5,827,279.20x = 27,353,472,703,089.84
  5. Step 5: Solve for x
    x = 27,353,472,703,089.84/5,827,279.20
  6. Step 6: Final answer
    x = 4,694,038.46

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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.