Home / 2,689,066.40-4,033,599.60-2,080,205.60

Finding the Fourth Proportional to 2,689,066.40, 4,033,599.60 and 2,080,205.60

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Solution

The fourth proportional to 2,689,066.40, 4,033,599.60 and 2,080,205.60 is: 3,120,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,066.40 : 4,033,599.60 = 2,080,205.60 : x
  2. Step 2: Convert to fraction form
    2,689,066.40/4,033,599.60 = 2,080,205.60/x
  3. Step 3: Cross multiply
    2,689,066.40x = 4,033,599.60 × 2,080,205.60
  4. Step 4: Simplify right side
    2,689,066.40x = 8,390,716,476,077.76
  5. Step 5: Solve for x
    x = 8,390,716,476,077.76/2,689,066.40
  6. Step 6: Final answer
    x = 3,120,308.40

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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.