Home / 2,793,235.51-4,189,770.11-771,600.61

Finding the Fourth Proportional to 2,793,235.51, 4,189,770.11 and 771,600.61

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Solution

The fourth proportional to 2,793,235.51, 4,189,770.11 and 771,600.61 is: 1,157,377.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793,235.51 : 4,189,770.11 = 771,600.61 : x
  2. Step 2: Convert to fraction form
    2,793,235.51/4,189,770.11 = 771,600.61/x
  3. Step 3: Cross multiply
    2,793,235.51x = 4,189,770.11 × 771,600.61
  4. Step 4: Simplify right side
    2,793,235.51x = 3,232,829,168,777.76
  5. Step 5: Solve for x
    x = 3,232,829,168,777.76/2,793,235.51
  6. Step 6: Final answer
    x = 1,157,377.94

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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.