Home / 4,119,049.40-6,180,323.70-1,988,036.60

Finding the Fourth Proportional to 4,119,049.40, 6,180,323.70 and 1,988,036.60

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Solution

The fourth proportional to 4,119,049.40, 6,180,323.70 and 1,988,036.60 is: 2,982,899.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119,049.40 : 6,180,323.70 = 1,988,036.60 : x
  2. Step 2: Convert to fraction form
    4,119,049.40/6,180,323.70 = 1,988,036.60/x
  3. Step 3: Cross multiply
    4,119,049.40x = 6,180,323.70 × 1,988,036.60
  4. Step 4: Simplify right side
    4,119,049.40x = 12,286,709,715,447.42
  5. Step 5: Solve for x
    x = 12,286,709,715,447.42/4,119,049.40
  6. Step 6: Final answer
    x = 2,982,899.33

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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.