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Finding the Fourth Proportional to 2,801,206.73, 3,865,612.77 and 1,713,398.42

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Solution

The fourth proportional to 2,801,206.73, 3,865,612.77 and 1,713,398.42 is: 2,364,457.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801,206.73 : 3,865,612.77 = 1,713,398.42 : x
  2. Step 2: Convert to fraction form
    2,801,206.73/3,865,612.77 = 1,713,398.42/x
  3. Step 3: Cross multiply
    2,801,206.73x = 3,865,612.77 × 1,713,398.42
  4. Step 4: Simplify right side
    2,801,206.73x = 6,623,334,793,121.76
  5. Step 5: Solve for x
    x = 6,623,334,793,121.76/2,801,206.73
  6. Step 6: Final answer
    x = 2,364,457.69

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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.