Home / 2,987,998.08-4,123,271.52-1,698,659.52

Finding the Fourth Proportional to 2,987,998.08, 4,123,271.52 and 1,698,659.52

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Solution

The fourth proportional to 2,987,998.08, 4,123,271.52 and 1,698,659.52 is: 2,344,055.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,998.08 : 4,123,271.52 = 1,698,659.52 : x
  2. Step 2: Convert to fraction form
    2,987,998.08/4,123,271.52 = 1,698,659.52/x
  3. Step 3: Cross multiply
    2,987,998.08x = 4,123,271.52 × 1,698,659.52
  4. Step 4: Simplify right side
    2,987,998.08x = 7,004,034,420,992.87
  5. Step 5: Solve for x
    x = 7,004,034,420,992.87/2,987,998.08
  6. Step 6: Final answer
    x = 2,344,055.86

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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.