Home / 3,218,219.67-4,441,146.06-1,768,009.05

Finding the Fourth Proportional to 3,218,219.67, 4,441,146.06 and 1,768,009.05

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Solution

The fourth proportional to 3,218,219.67, 4,441,146.06 and 1,768,009.05 is: 2,439,854.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,219.67 : 4,441,146.06 = 1,768,009.05 : x
  2. Step 2: Convert to fraction form
    3,218,219.67/4,441,146.06 = 1,768,009.05/x
  3. Step 3: Cross multiply
    3,218,219.67x = 4,441,146.06 × 1,768,009.05
  4. Step 4: Simplify right side
    3,218,219.67x = 7,851,986,426,451.84
  5. Step 5: Solve for x
    x = 7,851,986,426,451.84/3,218,219.67
  6. Step 6: Final answer
    x = 2,439,854.09

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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.