Home / 3,011,115.80-4,155,343.78-1,634,458.60

Finding the Fourth Proportional to 3,011,115.80, 4,155,343.78 and 1,634,458.60

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Solution

The fourth proportional to 3,011,115.80, 4,155,343.78 and 1,634,458.60 is: 2,255,555.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011,115.80 : 4,155,343.78 = 1,634,458.60 : x
  2. Step 2: Convert to fraction form
    3,011,115.80/4,155,343.78 = 1,634,458.60/x
  3. Step 3: Cross multiply
    3,011,115.80x = 4,155,343.78 × 1,634,458.60
  4. Step 4: Simplify right side
    3,011,115.80x = 6,791,737,377,177.51
  5. Step 5: Solve for x
    x = 6,791,737,377,177.51/3,011,115.80
  6. Step 6: Final answer
    x = 2,255,555.03

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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.