Home / 2,142,840.85-2,956,924.91-1,271,525.38

Finding the Fourth Proportional to 2,142,840.85, 2,956,924.91 and 1,271,525.38

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Solution

The fourth proportional to 2,142,840.85, 2,956,924.91 and 1,271,525.38 is: 1,754,589.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,840.85 : 2,956,924.91 = 1,271,525.38 : x
  2. Step 2: Convert to fraction form
    2,142,840.85/2,956,924.91 = 1,271,525.38/x
  3. Step 3: Cross multiply
    2,142,840.85x = 2,956,924.91 × 1,271,525.38
  4. Step 4: Simplify right side
    2,142,840.85x = 3,759,805,069,819.22
  5. Step 5: Solve for x
    x = 3,759,805,069,819.22/2,142,840.85
  6. Step 6: Final answer
    x = 1,754,589.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.