Home / 3,121,083-4,307,094.54-1,690,299

Finding the Fourth Proportional to 3,121,083, 4,307,094.54 and 1,690,299

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Solution

The fourth proportional to 3,121,083, 4,307,094.54 and 1,690,299 is: 2,332,612.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,083 : 4,307,094.54 = 1,690,299 : x
  2. Step 2: Convert to fraction form
    3,121,083/4,307,094.54 = 1,690,299/x
  3. Step 3: Cross multiply
    3,121,083x = 4,307,094.54 × 1,690,299
  4. Step 4: Simplify right side
    3,121,083x = 7,280,277,593,867.46
  5. Step 5: Solve for x
    x = 7,280,277,593,867.46/3,121,083
  6. Step 6: Final answer
    x = 2,332,612.62

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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.