Home / 2,115,560.30-2,919,476.67-1,148,692.46

Finding the Fourth Proportional to 2,115,560.30, 2,919,476.67 and 1,148,692.46

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Solution

The fourth proportional to 2,115,560.30, 2,919,476.67 and 1,148,692.46 is: 1,585,197.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,560.30 : 2,919,476.67 = 1,148,692.46 : x
  2. Step 2: Convert to fraction form
    2,115,560.30/2,919,476.67 = 1,148,692.46/x
  3. Step 3: Cross multiply
    2,115,560.30x = 2,919,476.67 × 1,148,692.46
  4. Step 4: Simplify right side
    2,115,560.30x = 3,353,580,837,974.91
  5. Step 5: Solve for x
    x = 3,353,580,837,974.91/2,115,560.30
  6. Step 6: Final answer
    x = 1,585,197.47

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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.