Home / 6,125,729.90-9,189,644.60-1,865,103.98

Finding the Fourth Proportional to 6,125,729.90, 9,189,644.60 and 1,865,103.98

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Solution

The fourth proportional to 6,125,729.90, 9,189,644.60 and 1,865,103.98 is: 2,797,975.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,125,729.90 : 9,189,644.60 = 1,865,103.98 : x
  2. Step 2: Convert to fraction form
    6,125,729.90/9,189,644.60 = 1,865,103.98/x
  3. Step 3: Cross multiply
    6,125,729.90x = 9,189,644.60 × 1,865,103.98
  4. Step 4: Simplify right side
    6,125,729.90x = 17,139,642,676,960.04
  5. Step 5: Solve for x
    x = 17,139,642,676,960.04/6,125,729.90
  6. Step 6: Final answer
    x = 2,797,975.58

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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.