Home / 2,930,686.40-4,396,029.60-1,649,979.20

Finding the Fourth Proportional to 2,930,686.40, 4,396,029.60 and 1,649,979.20

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Solution

The fourth proportional to 2,930,686.40, 4,396,029.60 and 1,649,979.20 is: 2,474,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930,686.40 : 4,396,029.60 = 1,649,979.20 : x
  2. Step 2: Convert to fraction form
    2,930,686.40/4,396,029.60 = 1,649,979.20/x
  3. Step 3: Cross multiply
    2,930,686.40x = 4,396,029.60 × 1,649,979.20
  4. Step 4: Simplify right side
    2,930,686.40x = 7,253,357,402,584.32
  5. Step 5: Solve for x
    x = 7,253,357,402,584.32/2,930,686.40
  6. Step 6: Final answer
    x = 2,474,968.80

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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.