Home / 4,658,711.40-6,985,215.90-1,815,546.60

Finding the Fourth Proportional to 4,658,711.40, 6,985,215.90 and 1,815,546.60

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Solution

The fourth proportional to 4,658,711.40, 6,985,215.90 and 1,815,546.60 is: 2,722,208.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658,711.40 : 6,985,215.90 = 1,815,546.60 : x
  2. Step 2: Convert to fraction form
    4,658,711.40/6,985,215.90 = 1,815,546.60/x
  3. Step 3: Cross multiply
    4,658,711.40x = 6,985,215.90 × 1,815,546.60
  4. Step 4: Simplify right side
    4,658,711.40x = 12,681,984,977,510.94
  5. Step 5: Solve for x
    x = 12,681,984,977,510.94/4,658,711.40
  6. Step 6: Final answer
    x = 2,722,208.76

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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.