Home / 3,230,659.60-4,845,946.20-986,808.40

Finding the Fourth Proportional to 3,230,659.60, 4,845,946.20 and 986,808.40

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Solution

The fourth proportional to 3,230,659.60, 4,845,946.20 and 986,808.40 is: 1,480,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230,659.60 : 4,845,946.20 = 986,808.40 : x
  2. Step 2: Convert to fraction form
    3,230,659.60/4,845,946.20 = 986,808.40/x
  3. Step 3: Cross multiply
    3,230,659.60x = 4,845,946.20 × 986,808.40
  4. Step 4: Simplify right side
    3,230,659.60x = 4,782,020,416,108.08
  5. Step 5: Solve for x
    x = 4,782,020,416,108.08/3,230,659.60
  6. Step 6: Final answer
    x = 1,480,199.40

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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.