Home / 4,128,349.60-6,192,524.40-2,988,703.90

Finding the Fourth Proportional to 4,128,349.60, 6,192,524.40 and 2,988,703.90

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Solution

The fourth proportional to 4,128,349.60, 6,192,524.40 and 2,988,703.90 is: 4,483,055.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128,349.60 : 6,192,524.40 = 2,988,703.90 : x
  2. Step 2: Convert to fraction form
    4,128,349.60/6,192,524.40 = 2,988,703.90/x
  3. Step 3: Cross multiply
    4,128,349.60x = 6,192,524.40 × 2,988,703.90
  4. Step 4: Simplify right side
    4,128,349.60x = 18,507,621,825,125.16
  5. Step 5: Solve for x
    x = 18,507,621,825,125.16/4,128,349.60
  6. Step 6: Final answer
    x = 4,483,055.85

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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.