Home / 2,819,472.58-3,890,862.32-1,530,312.90

Finding the Fourth Proportional to 2,819,472.58, 3,890,862.32 and 1,530,312.90

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Solution

The fourth proportional to 2,819,472.58, 3,890,862.32 and 1,530,312.90 is: 2,111,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,472.58 : 3,890,862.32 = 1,530,312.90 : x
  2. Step 2: Convert to fraction form
    2,819,472.58/3,890,862.32 = 1,530,312.90/x
  3. Step 3: Cross multiply
    2,819,472.58x = 3,890,862.32 × 1,530,312.90
  4. Step 4: Simplify right side
    2,819,472.58x = 5,954,236,800,419.93
  5. Step 5: Solve for x
    x = 5,954,236,800,419.93/2,819,472.58
  6. Step 6: Final answer
    x = 2,111,826.46

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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.