Home / 1,971,124.80-2,956,687.20-1,297,966.20

Finding the Fourth Proportional to 1,971,124.80, 2,956,687.20 and 1,297,966.20

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Solution

The fourth proportional to 1,971,124.80, 2,956,687.20 and 1,297,966.20 is: 1,946,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,124.80 : 2,956,687.20 = 1,297,966.20 : x
  2. Step 2: Convert to fraction form
    1,971,124.80/2,956,687.20 = 1,297,966.20/x
  3. Step 3: Cross multiply
    1,971,124.80x = 2,956,687.20 × 1,297,966.20
  4. Step 4: Simplify right side
    1,971,124.80x = 3,837,680,049,572.64
  5. Step 5: Solve for x
    x = 3,837,680,049,572.64/1,971,124.80
  6. Step 6: Final answer
    x = 1,946,949.30

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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.