Home / 3,139,319.70-4,708,979.55-2,926,743.30

Finding the Fourth Proportional to 3,139,319.70, 4,708,979.55 and 2,926,743.30

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Solution

The fourth proportional to 3,139,319.70, 4,708,979.55 and 2,926,743.30 is: 4,390,114.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,319.70 : 4,708,979.55 = 2,926,743.30 : x
  2. Step 2: Convert to fraction form
    3,139,319.70/4,708,979.55 = 2,926,743.30/x
  3. Step 3: Cross multiply
    3,139,319.70x = 4,708,979.55 × 2,926,743.30
  4. Step 4: Simplify right side
    3,139,319.70x = 13,781,974,347,799.51
  5. Step 5: Solve for x
    x = 13,781,974,347,799.51/3,139,319.70
  6. Step 6: Final answer
    x = 4,390,114.95

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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.