Home / 4,581,742.90-6,322,436.46-2,648,128.72

Finding the Fourth Proportional to 4,581,742.90, 6,322,436.46 and 2,648,128.72

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Solution

The fourth proportional to 4,581,742.90, 6,322,436.46 and 2,648,128.72 is: 3,654,204.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581,742.90 : 6,322,436.46 = 2,648,128.72 : x
  2. Step 2: Convert to fraction form
    4,581,742.90/6,322,436.46 = 2,648,128.72/x
  3. Step 3: Cross multiply
    4,581,742.90x = 6,322,436.46 × 2,648,128.72
  4. Step 4: Simplify right side
    4,581,742.90x = 16,742,625,570,101.13
  5. Step 5: Solve for x
    x = 16,742,625,570,101.13/4,581,742.90
  6. Step 6: Final answer
    x = 3,654,204.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.