Home / 1,909,135.16-2,634,616.44-1,049,750.78

Finding the Fourth Proportional to 1,909,135.16, 2,634,616.44 and 1,049,750.78

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Solution

The fourth proportional to 1,909,135.16, 2,634,616.44 and 1,049,750.78 is: 1,448,661.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,135.16 : 2,634,616.44 = 1,049,750.78 : x
  2. Step 2: Convert to fraction form
    1,909,135.16/2,634,616.44 = 1,049,750.78/x
  3. Step 3: Cross multiply
    1,909,135.16x = 2,634,616.44 × 1,049,750.78
  4. Step 4: Simplify right side
    1,909,135.16x = 2,765,690,662,890.82
  5. Step 5: Solve for x
    x = 2,765,690,662,890.82/1,909,135.16
  6. Step 6: Final answer
    x = 1,448,661.53

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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.