Home / 1,949,655.45-2,690,290.08-1,122,997.86

Finding the Fourth Proportional to 1,949,655.45, 2,690,290.08 and 1,122,997.86

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Solution

The fourth proportional to 1,949,655.45, 2,690,290.08 and 1,122,997.86 is: 1,549,602.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,655.45 : 2,690,290.08 = 1,122,997.86 : x
  2. Step 2: Convert to fraction form
    1,949,655.45/2,690,290.08 = 1,122,997.86/x
  3. Step 3: Cross multiply
    1,949,655.45x = 2,690,290.08 × 1,122,997.86
  4. Step 4: Simplify right side
    1,949,655.45x = 3,021,190,002,619.23
  5. Step 5: Solve for x
    x = 3,021,190,002,619.23/1,949,655.45
  6. Step 6: Final answer
    x = 1,549,602.01

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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.