Home / 3,148,787.20-4,722,014.40-1,018,940.80

Finding the Fourth Proportional to 3,148,787.20, 4,722,014.40 and 1,018,940.80

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Solution

The fourth proportional to 3,148,787.20, 4,722,014.40 and 1,018,940.80 is: 1,528,033.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148,787.20 : 4,722,014.40 = 1,018,940.80 : x
  2. Step 2: Convert to fraction form
    3,148,787.20/4,722,014.40 = 1,018,940.80/x
  3. Step 3: Cross multiply
    3,148,787.20x = 4,722,014.40 × 1,018,940.80
  4. Step 4: Simplify right side
    3,148,787.20x = 4,811,453,130,347.52
  5. Step 5: Solve for x
    x = 4,811,453,130,347.52/3,148,787.20
  6. Step 6: Final answer
    x = 1,528,033.76

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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.