Home / 2,780,039-3,836,427.90-1,572,815

Finding the Fourth Proportional to 2,780,039, 3,836,427.90 and 1,572,815

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Solution

The fourth proportional to 2,780,039, 3,836,427.90 and 1,572,815 is: 2,170,470.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,039 : 3,836,427.90 = 1,572,815 : x
  2. Step 2: Convert to fraction form
    2,780,039/3,836,427.90 = 1,572,815/x
  3. Step 3: Cross multiply
    2,780,039x = 3,836,427.90 × 1,572,815
  4. Step 4: Simplify right side
    2,780,039x = 6,033,991,347,538.50
  5. Step 5: Solve for x
    x = 6,033,991,347,538.50/2,780,039
  6. Step 6: Final answer
    x = 2,170,470.04

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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.