Home / 2,386,531-3,579,796.45-1,964,921.14

Finding the Fourth Proportional to 2,386,531, 3,579,796.45 and 1,964,921.14

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Solution

The fourth proportional to 2,386,531, 3,579,796.45 and 1,964,921.14 is: 2,947,381.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386,531 : 3,579,796.45 = 1,964,921.14 : x
  2. Step 2: Convert to fraction form
    2,386,531/3,579,796.45 = 1,964,921.14/x
  3. Step 3: Cross multiply
    2,386,531x = 3,579,796.45 × 1,964,921.14
  4. Step 4: Simplify right side
    2,386,531x = 7,034,017,721,501.95
  5. Step 5: Solve for x
    x = 7,034,017,721,501.95/2,386,531
  6. Step 6: Final answer
    x = 2,947,381.67

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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.