Home / 3,102,667.60-4,654,001.40-858,805.60

Finding the Fourth Proportional to 3,102,667.60, 4,654,001.40 and 858,805.60

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Solution

The fourth proportional to 3,102,667.60, 4,654,001.40 and 858,805.60 is: 1,288,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,667.60 : 4,654,001.40 = 858,805.60 : x
  2. Step 2: Convert to fraction form
    3,102,667.60/4,654,001.40 = 858,805.60/x
  3. Step 3: Cross multiply
    3,102,667.60x = 4,654,001.40 × 858,805.60
  4. Step 4: Simplify right side
    3,102,667.60x = 3,996,882,464,727.84
  5. Step 5: Solve for x
    x = 3,996,882,464,727.84/3,102,667.60
  6. Step 6: Final answer
    x = 1,288,208.40

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Similar ratio
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1.5x scale

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.