Home / 2,317,421.06-3,198,370.63-1,285,158.43

Finding the Fourth Proportional to 2,317,421.06, 3,198,370.63 and 1,285,158.43

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Solution

The fourth proportional to 2,317,421.06, 3,198,370.63 and 1,285,158.43 is: 1,773,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317,421.06 : 3,198,370.63 = 1,285,158.43 : x
  2. Step 2: Convert to fraction form
    2,317,421.06/3,198,370.63 = 1,285,158.43/x
  3. Step 3: Cross multiply
    2,317,421.06x = 3,198,370.63 × 1,285,158.43
  4. Step 4: Simplify right side
    2,317,421.06x = 4,110,412,975,222.61
  5. Step 5: Solve for x
    x = 4,110,412,975,222.61/2,317,421.06
  6. Step 6: Final answer
    x = 1,773,701.40

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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.