Home / 1,971,020.40-2,956,530.60-551,074.20

Finding the Fourth Proportional to 1,971,020.40, 2,956,530.60 and 551,074.20

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Solution

The fourth proportional to 1,971,020.40, 2,956,530.60 and 551,074.20 is: 826,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,020.40 : 2,956,530.60 = 551,074.20 : x
  2. Step 2: Convert to fraction form
    1,971,020.40/2,956,530.60 = 551,074.20/x
  3. Step 3: Cross multiply
    1,971,020.40x = 2,956,530.60 × 551,074.20
  4. Step 4: Simplify right side
    1,971,020.40x = 1,629,267,735,170.52
  5. Step 5: Solve for x
    x = 1,629,267,735,170.52/1,971,020.40
  6. Step 6: Final answer
    x = 826,611.30

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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.