Home / 4,013,949.87-5,539,254.46-2,178,408.47

Finding the Fourth Proportional to 4,013,949.87, 5,539,254.46 and 2,178,408.47

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Solution

The fourth proportional to 4,013,949.87, 5,539,254.46 and 2,178,408.47 is: 3,006,205.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,013,949.87 : 5,539,254.46 = 2,178,408.47 : x
  2. Step 2: Convert to fraction form
    4,013,949.87/5,539,254.46 = 2,178,408.47/x
  3. Step 3: Cross multiply
    4,013,949.87x = 5,539,254.46 × 2,178,408.47
  4. Step 4: Simplify right side
    4,013,949.87x = 12,066,758,800,006.98
  5. Step 5: Solve for x
    x = 12,066,758,800,006.98/4,013,949.87
  6. Step 6: Final answer
    x = 3,006,205.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.