Home / 3,676,868.80-5,508,742.20-1,779,427.60

Finding the Fourth Proportional to 3,676,868.80, 5,508,742.20 and 1,779,427.60

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Solution

The fourth proportional to 3,676,868.80, 5,508,742.20 and 1,779,427.60 is: 2,665,966.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676,868.80 : 5,508,742.20 = 1,779,427.60 : x
  2. Step 2: Convert to fraction form
    3,676,868.80/5,508,742.20 = 1,779,427.60/x
  3. Step 3: Cross multiply
    3,676,868.80x = 5,508,742.20 × 1,779,427.60
  4. Step 4: Simplify right side
    3,676,868.80x = 9,802,407,911,964.72
  5. Step 5: Solve for x
    x = 9,802,407,911,964.72/3,676,868.80
  6. Step 6: Final answer
    x = 2,665,966.19

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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.