Home / 5,666,436.60-7,818,725.12-3,185,326.78

Finding the Fourth Proportional to 5,666,436.60, 7,818,725.12 and 3,185,326.78

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Solution

The fourth proportional to 5,666,436.60, 7,818,725.12 and 3,185,326.78 is: 4,395,212.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666,436.60 : 7,818,725.12 = 3,185,326.78 : x
  2. Step 2: Convert to fraction form
    5,666,436.60/7,818,725.12 = 3,185,326.78/x
  3. Step 3: Cross multiply
    5,666,436.60x = 7,818,725.12 × 3,185,326.78
  4. Step 4: Simplify right side
    5,666,436.60x = 24,905,194,486,666.24
  5. Step 5: Solve for x
    x = 24,905,194,486,666.24/5,666,436.60
  6. Step 6: Final answer
    x = 4,395,212.77

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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.