Home / 2,638,211.60-3,944,875.80-1,966,365.20

Finding the Fourth Proportional to 2,638,211.60, 3,944,875.80 and 1,966,365.20

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Solution

The fourth proportional to 2,638,211.60, 3,944,875.80 and 1,966,365.20 is: 2,940,274.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,211.60 : 3,944,875.80 = 1,966,365.20 : x
  2. Step 2: Convert to fraction form
    2,638,211.60/3,944,875.80 = 1,966,365.20/x
  3. Step 3: Cross multiply
    2,638,211.60x = 3,944,875.80 × 1,966,365.20
  4. Step 4: Simplify right side
    2,638,211.60x = 7,757,066,491,442.16
  5. Step 5: Solve for x
    x = 7,757,066,491,442.16/2,638,211.60
  6. Step 6: Final answer
    x = 2,940,274.58

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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.