Home / 3,912,383.20-5,872,030.80-2,312,946.40

Finding the Fourth Proportional to 3,912,383.20, 5,872,030.80 and 2,312,946.40

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Solution

The fourth proportional to 3,912,383.20, 5,872,030.80 and 2,312,946.40 is: 3,471,462.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912,383.20 : 5,872,030.80 = 2,312,946.40 : x
  2. Step 2: Convert to fraction form
    3,912,383.20/5,872,030.80 = 2,312,946.40/x
  3. Step 3: Cross multiply
    3,912,383.20x = 5,872,030.80 × 2,312,946.40
  4. Step 4: Simplify right side
    3,912,383.20x = 13,581,692,499,549.12
  5. Step 5: Solve for x
    x = 13,581,692,499,549.12/3,912,383.20
  6. Step 6: Final answer
    x = 3,471,462.74

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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.