Home / 3,479,675.95-4,801,826.65-1,931,005.21

Finding the Fourth Proportional to 3,479,675.95, 4,801,826.65 and 1,931,005.21

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Solution

The fourth proportional to 3,479,675.95, 4,801,826.65 and 1,931,005.21 is: 2,664,717.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479,675.95 : 4,801,826.65 = 1,931,005.21 : x
  2. Step 2: Convert to fraction form
    3,479,675.95/4,801,826.65 = 1,931,005.21/x
  3. Step 3: Cross multiply
    3,479,675.95x = 4,801,826.65 × 1,931,005.21
  4. Step 4: Simplify right side
    3,479,675.95x = 9,272,352,278,666.85
  5. Step 5: Solve for x
    x = 9,272,352,278,666.85/3,479,675.95
  6. Step 6: Final answer
    x = 2,664,717.18

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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.