Home / 2,163,148.80-3,238,502.40-1,323,340.80

Finding the Fourth Proportional to 2,163,148.80, 3,238,502.40 and 1,323,340.80

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Solution

The fourth proportional to 2,163,148.80, 3,238,502.40 and 1,323,340.80 is: 1,981,205.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163,148.80 : 3,238,502.40 = 1,323,340.80 : x
  2. Step 2: Convert to fraction form
    2,163,148.80/3,238,502.40 = 1,323,340.80/x
  3. Step 3: Cross multiply
    2,163,148.80x = 3,238,502.40 × 1,323,340.80
  4. Step 4: Simplify right side
    2,163,148.80x = 4,285,642,356,817.92
  5. Step 5: Solve for x
    x = 4,285,642,356,817.92/2,163,148.80
  6. Step 6: Final answer
    x = 1,981,205.53

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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.