Home / 2,780,040-3,836,429.28-1,572,816

Finding the Fourth Proportional to 2,780,040, 3,836,429.28 and 1,572,816

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Solution

The fourth proportional to 2,780,040, 3,836,429.28 and 1,572,816 is: 2,170,471.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,040 : 3,836,429.28 = 1,572,816 : x
  2. Step 2: Convert to fraction form
    2,780,040/3,836,429.28 = 1,572,816/x
  3. Step 3: Cross multiply
    2,780,040x = 3,836,429.28 × 1,572,816
  4. Step 4: Simplify right side
    2,780,040x = 6,033,997,354,452.48
  5. Step 5: Solve for x
    x = 6,033,997,354,452.48/2,780,040
  6. Step 6: Final answer
    x = 2,170,471.42

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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.