Home / 4,986,665.88-7,480,000.44-1,200,148.76

Finding the Fourth Proportional to 4,986,665.88, 7,480,000.44 and 1,200,148.76

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Solution

The fourth proportional to 4,986,665.88, 7,480,000.44 and 1,200,148.76 is: 1,800,223.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986,665.88 : 7,480,000.44 = 1,200,148.76 : x
  2. Step 2: Convert to fraction form
    4,986,665.88/7,480,000.44 = 1,200,148.76/x
  3. Step 3: Cross multiply
    4,986,665.88x = 7,480,000.44 × 1,200,148.76
  4. Step 4: Simplify right side
    4,986,665.88x = 8,977,113,215,465.45
  5. Step 5: Solve for x
    x = 8,977,113,215,465.45/4,986,665.88
  6. Step 6: Final answer
    x = 1,800,223.52

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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.