Home / 4,013,778.96-5,539,029.89-2,178,237.15

Finding the Fourth Proportional to 4,013,778.96, 5,539,029.89 and 2,178,237.15

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Solution

The fourth proportional to 4,013,778.96, 5,539,029.89 and 2,178,237.15 is: 3,005,975.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,013,778.96 : 5,539,029.89 = 2,178,237.15 : x
  2. Step 2: Convert to fraction form
    4,013,778.96/5,539,029.89 = 2,178,237.15/x
  3. Step 3: Cross multiply
    4,013,778.96x = 5,539,029.89 × 2,178,237.15
  4. Step 4: Simplify right side
    4,013,778.96x = 12,065,320,670,467.23
  5. Step 5: Solve for x
    x = 12,065,320,670,467.23/4,013,778.96
  6. Step 6: Final answer
    x = 3,005,975.36

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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.