Home / 3,173,879.28-4,381,294.08-2,142,783.60

Finding the Fourth Proportional to 3,173,879.28, 4,381,294.08 and 2,142,783.60

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Solution

The fourth proportional to 3,173,879.28, 4,381,294.08 and 2,142,783.60 is: 2,957,946.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173,879.28 : 4,381,294.08 = 2,142,783.60 : x
  2. Step 2: Convert to fraction form
    3,173,879.28/4,381,294.08 = 2,142,783.60/x
  3. Step 3: Cross multiply
    3,173,879.28x = 4,381,294.08 × 2,142,783.60
  4. Step 4: Simplify right side
    3,173,879.28x = 9,388,165,101,401.09
  5. Step 5: Solve for x
    x = 9,388,165,101,401.09/3,173,879.28
  6. Step 6: Final answer
    x = 2,957,946.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.