Home / 5,390,143.20-8,091,119.70-3,370,667.40

Finding the Fourth Proportional to 5,390,143.20, 8,091,119.70 and 3,370,667.40

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Solution

The fourth proportional to 5,390,143.20, 8,091,119.70 and 3,370,667.40 is: 5,059,693.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,143.20 : 8,091,119.70 = 3,370,667.40 : x
  2. Step 2: Convert to fraction form
    5,390,143.20/8,091,119.70 = 3,370,667.40/x
  3. Step 3: Cross multiply
    5,390,143.20x = 8,091,119.70 × 3,370,667.40
  4. Step 4: Simplify right side
    5,390,143.20x = 27,272,473,402,287.78
  5. Step 5: Solve for x
    x = 27,272,473,402,287.78/5,390,143.20
  6. Step 6: Final answer
    x = 5,059,693.66

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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.