Home / 2,173,346.70-3,261,186.45-911,301.90

Finding the Fourth Proportional to 2,173,346.70, 3,261,186.45 and 911,301.90

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Solution

The fourth proportional to 2,173,346.70, 3,261,186.45 and 911,301.90 is: 1,367,441.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173,346.70 : 3,261,186.45 = 911,301.90 : x
  2. Step 2: Convert to fraction form
    2,173,346.70/3,261,186.45 = 911,301.90/x
  3. Step 3: Cross multiply
    2,173,346.70x = 3,261,186.45 × 911,301.90
  4. Step 4: Simplify right side
    2,173,346.70x = 2,971,925,408,139.26
  5. Step 5: Solve for x
    x = 2,971,925,408,139.26/2,173,346.70
  6. Step 6: Final answer
    x = 1,367,441.93

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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.