Home / 2,115,903.67-3,173,442.36-676,200.88

Finding the Fourth Proportional to 2,115,903.67, 3,173,442.36 and 676,200.88

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Solution

The fourth proportional to 2,115,903.67, 3,173,442.36 and 676,200.88 is: 1,014,169.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,903.67 : 3,173,442.36 = 676,200.88 : x
  2. Step 2: Convert to fraction form
    2,115,903.67/3,173,442.36 = 676,200.88/x
  3. Step 3: Cross multiply
    2,115,903.67x = 3,173,442.36 × 676,200.88
  4. Step 4: Simplify right side
    2,115,903.67x = 2,145,884,516,461.28
  5. Step 5: Solve for x
    x = 2,145,884,516,461.28/2,115,903.67
  6. Step 6: Final answer
    x = 1,014,169.29

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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.