Home / 1,909,130.16-2,634,609.54-1,049,745.78

Finding the Fourth Proportional to 1,909,130.16, 2,634,609.54 and 1,049,745.78

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Solution

The fourth proportional to 1,909,130.16, 2,634,609.54 and 1,049,745.78 is: 1,448,654.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,130.16 : 2,634,609.54 = 1,049,745.78 : x
  2. Step 2: Convert to fraction form
    1,909,130.16/2,634,609.54 = 1,049,745.78/x
  3. Step 3: Cross multiply
    1,909,130.16x = 2,634,609.54 × 1,049,745.78
  4. Step 4: Simplify right side
    1,909,130.16x = 2,765,670,246,562.74
  5. Step 5: Solve for x
    x = 2,765,670,246,562.74/1,909,130.16
  6. Step 6: Final answer
    x = 1,448,654.63

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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.