Home / 2,013,316.09-3,020,447.12-665,478.78

Finding the Fourth Proportional to 2,013,316.09, 3,020,447.12 and 665,478.78

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Solution

The fourth proportional to 2,013,316.09, 3,020,447.12 and 665,478.78 is: 998,374.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013,316.09 : 3,020,447.12 = 665,478.78 : x
  2. Step 2: Convert to fraction form
    2,013,316.09/3,020,447.12 = 665,478.78/x
  3. Step 3: Cross multiply
    2,013,316.09x = 3,020,447.12 × 665,478.78
  4. Step 4: Simplify right side
    2,013,316.09x = 2,010,043,464,472.11
  5. Step 5: Solve for x
    x = 2,010,043,464,472.11/2,013,316.09
  6. Step 6: Final answer
    x = 998,374.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.