Home / 2,140,272.62-2,953,497.84-1,173,381.72

Finding the Fourth Proportional to 2,140,272.62, 2,953,497.84 and 1,173,381.72

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Solution

The fourth proportional to 2,140,272.62, 2,953,497.84 and 1,173,381.72 is: 1,619,223.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,272.62 : 2,953,497.84 = 1,173,381.72 : x
  2. Step 2: Convert to fraction form
    2,140,272.62/2,953,497.84 = 1,173,381.72/x
  3. Step 3: Cross multiply
    2,140,272.62x = 2,953,497.84 × 1,173,381.72
  4. Step 4: Simplify right side
    2,140,272.62x = 3,465,580,375,515.48
  5. Step 5: Solve for x
    x = 3,465,580,375,515.48/2,140,272.62
  6. Step 6: Final answer
    x = 1,619,223.81

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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.