Home / 3,210,116.90-4,815,888.15-1,080,140.90

Finding the Fourth Proportional to 3,210,116.90, 4,815,888.15 and 1,080,140.90

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Solution

The fourth proportional to 3,210,116.90, 4,815,888.15 and 1,080,140.90 is: 1,620,451.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,116.90 : 4,815,888.15 = 1,080,140.90 : x
  2. Step 2: Convert to fraction form
    3,210,116.90/4,815,888.15 = 1,080,140.90/x
  3. Step 3: Cross multiply
    3,210,116.90x = 4,815,888.15 × 1,080,140.90
  4. Step 4: Simplify right side
    3,210,116.90x = 5,201,837,760,640.34
  5. Step 5: Solve for x
    x = 5,201,837,760,640.34/3,210,116.90
  6. Step 6: Final answer
    x = 1,620,451.19

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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.