Home / 1,909,172-2,634,589.92-1,049,726.24

Finding the Fourth Proportional to 1,909,172, 2,634,589.92 and 1,049,726.24

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Solution

The fourth proportional to 1,909,172, 2,634,589.92 and 1,049,726.24 is: 1,448,585.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,172 : 2,634,589.92 = 1,049,726.24 : x
  2. Step 2: Convert to fraction form
    1,909,172/2,634,589.92 = 1,049,726.24/x
  3. Step 3: Cross multiply
    1,909,172x = 2,634,589.92 × 1,049,726.24
  4. Step 4: Simplify right side
    1,909,172x = 2,765,598,170,663.50
  5. Step 5: Solve for x
    x = 2,765,598,170,663.50/1,909,172
  6. Step 6: Final answer
    x = 1,448,585.13

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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.