Home / 3,218,793.60-4,828,190.40-1,223,990.40

Finding the Fourth Proportional to 3,218,793.60, 4,828,190.40 and 1,223,990.40

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Solution

The fourth proportional to 3,218,793.60, 4,828,190.40 and 1,223,990.40 is: 1,835,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,793.60 : 4,828,190.40 = 1,223,990.40 : x
  2. Step 2: Convert to fraction form
    3,218,793.60/4,828,190.40 = 1,223,990.40/x
  3. Step 3: Cross multiply
    3,218,793.60x = 4,828,190.40 × 1,223,990.40
  4. Step 4: Simplify right side
    3,218,793.60x = 5,909,658,698,972.16
  5. Step 5: Solve for x
    x = 5,909,658,698,972.16/3,218,793.60
  6. Step 6: Final answer
    x = 1,835,985.60

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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.