Home / 3,117,953-4,302,788.10-1,687,169

Finding the Fourth Proportional to 3,117,953, 4,302,788.10 and 1,687,169

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Solution

The fourth proportional to 3,117,953, 4,302,788.10 and 1,687,169 is: 2,328,300.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,953 : 4,302,788.10 = 1,687,169 : x
  2. Step 2: Convert to fraction form
    3,117,953/4,302,788.10 = 1,687,169/x
  3. Step 3: Cross multiply
    3,117,953x = 4,302,788.10 × 1,687,169
  4. Step 4: Simplify right side
    3,117,953x = 7,259,530,695,888.90
  5. Step 5: Solve for x
    x = 7,259,530,695,888.90/3,117,953
  6. Step 6: Final answer
    x = 2,328,300.23

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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.