Home / 3,120,685.18-4,681,924.47-1,298,695.48

Finding the Fourth Proportional to 3,120,685.18, 4,681,924.47 and 1,298,695.48

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Solution

The fourth proportional to 3,120,685.18, 4,681,924.47 and 1,298,695.48 is: 1,948,416.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,685.18 : 4,681,924.47 = 1,298,695.48 : x
  2. Step 2: Convert to fraction form
    3,120,685.18/4,681,924.47 = 1,298,695.48/x
  3. Step 3: Cross multiply
    3,120,685.18x = 4,681,924.47 × 1,298,695.48
  4. Step 4: Simplify right side
    3,120,685.18x = 6,080,394,135,185.58
  5. Step 5: Solve for x
    x = 6,080,394,135,185.58/3,120,685.18
  6. Step 6: Final answer
    x = 1,948,416.39

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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.