Home / 3,120,707.70-4,681,958.22-1,298,718

Finding the Fourth Proportional to 3,120,707.70, 4,681,958.22 and 1,298,718

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Solution

The fourth proportional to 3,120,707.70, 4,681,958.22 and 1,298,718 is: 1,948,450.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,707.70 : 4,681,958.22 = 1,298,718 : x
  2. Step 2: Convert to fraction form
    3,120,707.70/4,681,958.22 = 1,298,718/x
  3. Step 3: Cross multiply
    3,120,707.70x = 4,681,958.22 × 1,298,718
  4. Step 4: Simplify right side
    3,120,707.70x = 6,080,543,415,561.96
  5. Step 5: Solve for x
    x = 6,080,543,415,561.96/3,120,707.70
  6. Step 6: Final answer
    x = 1,948,450.16

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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.