Home / 2,148,827.09-2,965,802.11-1,231,670.57

Finding the Fourth Proportional to 2,148,827.09, 2,965,802.11 and 1,231,670.57

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Solution

The fourth proportional to 2,148,827.09, 2,965,802.11 and 1,231,670.57 is: 1,699,946.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,827.09 : 2,965,802.11 = 1,231,670.57 : x
  2. Step 2: Convert to fraction form
    2,148,827.09/2,965,802.11 = 1,231,670.57/x
  3. Step 3: Cross multiply
    2,148,827.09x = 2,965,802.11 × 1,231,670.57
  4. Step 4: Simplify right side
    2,148,827.09x = 3,652,891,157,422.72
  5. Step 5: Solve for x
    x = 3,652,891,157,422.72/2,148,827.09
  6. Step 6: Final answer
    x = 1,699,946.53

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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.