Home / 2,080,386.60-3,120,591.78-641,051.16

Finding the Fourth Proportional to 2,080,386.60, 3,120,591.78 and 641,051.16

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Solution

The fourth proportional to 2,080,386.60, 3,120,591.78 and 641,051.16 is: 961,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,386.60 : 3,120,591.78 = 641,051.16 : x
  2. Step 2: Convert to fraction form
    2,080,386.60/3,120,591.78 = 641,051.16/x
  3. Step 3: Cross multiply
    2,080,386.60x = 3,120,591.78 × 641,051.16
  4. Step 4: Simplify right side
    2,080,386.60x = 2,000,458,980,455.47
  5. Step 5: Solve for x
    x = 2,000,458,980,455.47/2,080,386.60
  6. Step 6: Final answer
    x = 961,580.40

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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.