Home / 2,164,980.60-2,987,599.50-1,198,151.64

Finding the Fourth Proportional to 2,164,980.60, 2,987,599.50 and 1,198,151.64

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Solution

The fourth proportional to 2,164,980.60, 2,987,599.50 and 1,198,151.64 is: 1,653,408.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,980.60 : 2,987,599.50 = 1,198,151.64 : x
  2. Step 2: Convert to fraction form
    2,164,980.60/2,987,599.50 = 1,198,151.64/x
  3. Step 3: Cross multiply
    2,164,980.60x = 2,987,599.50 × 1,198,151.64
  4. Step 4: Simplify right side
    2,164,980.60x = 3,579,597,240,588.18
  5. Step 5: Solve for x
    x = 3,579,597,240,588.18/2,164,980.60
  6. Step 6: Final answer
    x = 1,653,408.46

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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.