Home / 1,581,066-2,181,853.02-855,897.84

Finding the Fourth Proportional to 1,581,066, 2,181,853.02 and 855,897.84

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Solution

The fourth proportional to 1,581,066, 2,181,853.02 and 855,897.84 is: 1,181,129.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,066 : 2,181,853.02 = 855,897.84 : x
  2. Step 2: Convert to fraction form
    1,581,066/2,181,853.02 = 855,897.84/x
  3. Step 3: Cross multiply
    1,581,066x = 2,181,853.02 × 855,897.84
  4. Step 4: Simplify right side
    1,581,066x = 1,867,443,287,015.48
  5. Step 5: Solve for x
    x = 1,867,443,287,015.48/1,581,066
  6. Step 6: Final answer
    x = 1,181,129.24

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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.