Home / 4,122,497.76-6,182,932.96-1,389,774.72

Finding the Fourth Proportional to 4,122,497.76, 6,182,932.96 and 1,389,774.72

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Solution

The fourth proportional to 4,122,497.76, 6,182,932.96 and 1,389,774.72 is: 2,084,387.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122,497.76 : 6,182,932.96 = 1,389,774.72 : x
  2. Step 2: Convert to fraction form
    4,122,497.76/6,182,932.96 = 1,389,774.72/x
  3. Step 3: Cross multiply
    4,122,497.76x = 6,182,932.96 × 1,389,774.72
  4. Step 4: Simplify right side
    4,122,497.76x = 8,592,883,923,262.77
  5. Step 5: Solve for x
    x = 8,592,883,923,262.77/4,122,497.76
  6. Step 6: Final answer
    x = 2,084,387.77

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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.