Home / 2,311,862.40-3,467,793.60-1,913,731.20

Finding the Fourth Proportional to 2,311,862.40, 3,467,793.60 and 1,913,731.20

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Solution

The fourth proportional to 2,311,862.40, 3,467,793.60 and 1,913,731.20 is: 2,870,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,862.40 : 3,467,793.60 = 1,913,731.20 : x
  2. Step 2: Convert to fraction form
    2,311,862.40/3,467,793.60 = 1,913,731.20/x
  3. Step 3: Cross multiply
    2,311,862.40x = 3,467,793.60 × 1,913,731.20
  4. Step 4: Simplify right side
    2,311,862.40x = 6,636,424,807,480.32
  5. Step 5: Solve for x
    x = 6,636,424,807,480.32/2,311,862.40
  6. Step 6: Final answer
    x = 2,870,596.80

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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.