Home / 2,839,778.63-3,918,908.90-1,550,619.02

Finding the Fourth Proportional to 2,839,778.63, 3,918,908.90 and 1,550,619.02

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Solution

The fourth proportional to 2,839,778.63, 3,918,908.90 and 1,550,619.02 is: 2,139,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839,778.63 : 3,918,908.90 = 1,550,619.02 : x
  2. Step 2: Convert to fraction form
    2,839,778.63/3,918,908.90 = 1,550,619.02/x
  3. Step 3: Cross multiply
    2,839,778.63x = 3,918,908.90 × 1,550,619.02
  4. Step 4: Simplify right side
    2,839,778.63x = 6,076,734,650,639.64
  5. Step 5: Solve for x
    x = 6,076,734,650,639.64/2,839,778.63
  6. Step 6: Final answer
    x = 2,139,862.10

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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.