Home / 3,835,811.39-5,293,265.02-2,116,909.58

Finding the Fourth Proportional to 3,835,811.39, 5,293,265.02 and 2,116,909.58

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Solution

The fourth proportional to 3,835,811.39, 5,293,265.02 and 2,116,909.58 is: 2,921,249.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835,811.39 : 5,293,265.02 = 2,116,909.58 : x
  2. Step 2: Convert to fraction form
    3,835,811.39/5,293,265.02 = 2,116,909.58/x
  3. Step 3: Cross multiply
    3,835,811.39x = 5,293,265.02 × 2,116,909.58
  4. Step 4: Simplify right side
    3,835,811.39x = 11,205,363,398,558.29
  5. Step 5: Solve for x
    x = 11,205,363,398,558.29/3,835,811.39
  6. Step 6: Final answer
    x = 2,921,249.84

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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.