Home / 2,142,709.08-2,956,476.61-1,236,766.20

Finding the Fourth Proportional to 2,142,709.08, 2,956,476.61 and 1,236,766.20

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Solution

The fourth proportional to 2,142,709.08, 2,956,476.61 and 1,236,766.20 is: 1,706,470.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,709.08 : 2,956,476.61 = 1,236,766.20 : x
  2. Step 2: Convert to fraction form
    2,142,709.08/2,956,476.61 = 1,236,766.20/x
  3. Step 3: Cross multiply
    2,142,709.08x = 2,956,476.61 × 1,236,766.20
  4. Step 4: Simplify right side
    2,142,709.08x = 3,656,470,342,338.58
  5. Step 5: Solve for x
    x = 3,656,470,342,338.58/2,142,709.08
  6. Step 6: Final answer
    x = 1,706,470.74

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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.