Home / 2,080,308.40-3,120,462.60-1,184,513.20

Finding the Fourth Proportional to 2,080,308.40, 3,120,462.60 and 1,184,513.20

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Solution

The fourth proportional to 2,080,308.40, 3,120,462.60 and 1,184,513.20 is: 1,776,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,308.40 : 3,120,462.60 = 1,184,513.20 : x
  2. Step 2: Convert to fraction form
    2,080,308.40/3,120,462.60 = 1,184,513.20/x
  3. Step 3: Cross multiply
    2,080,308.40x = 3,120,462.60 × 1,184,513.20
  4. Step 4: Simplify right side
    2,080,308.40x = 3,696,229,139,806.32
  5. Step 5: Solve for x
    x = 3,696,229,139,806.32/2,080,308.40
  6. Step 6: Final answer
    x = 1,776,769.80

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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.