Home / 2,145,774.26-2,961,188.52-1,178,924.60

Finding the Fourth Proportional to 2,145,774.26, 2,961,188.52 and 1,178,924.60

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Solution

The fourth proportional to 2,145,774.26, 2,961,188.52 and 1,178,924.60 is: 1,626,926.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,774.26 : 2,961,188.52 = 1,178,924.60 : x
  2. Step 2: Convert to fraction form
    2,145,774.26/2,961,188.52 = 1,178,924.60/x
  3. Step 3: Cross multiply
    2,145,774.26x = 2,961,188.52 × 1,178,924.60
  4. Step 4: Simplify right side
    2,145,774.26x = 3,491,017,991,465.59
  5. Step 5: Solve for x
    x = 3,491,017,991,465.59/2,145,774.26
  6. Step 6: Final answer
    x = 1,626,926.96

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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.