Home / 2,126,764.68-2,933,275.86-1,362,889.32

Finding the Fourth Proportional to 2,126,764.68, 2,933,275.86 and 1,362,889.32

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Solution

The fourth proportional to 2,126,764.68, 2,933,275.86 and 1,362,889.32 is: 1,879,723.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,764.68 : 2,933,275.86 = 1,362,889.32 : x
  2. Step 2: Convert to fraction form
    2,126,764.68/2,933,275.86 = 1,362,889.32/x
  3. Step 3: Cross multiply
    2,126,764.68x = 2,933,275.86 × 1,362,889.32
  4. Step 4: Simplify right side
    2,126,764.68x = 3,997,730,342,207.82
  5. Step 5: Solve for x
    x = 3,997,730,342,207.82/2,126,764.68
  6. Step 6: Final answer
    x = 1,879,723.87

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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.