Home / 4,947,642.02-6,827,741.25-2,772,200.78

Finding the Fourth Proportional to 4,947,642.02, 6,827,741.25 and 2,772,200.78

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Solution

The fourth proportional to 4,947,642.02, 6,827,741.25 and 2,772,200.78 is: 3,825,634.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947,642.02 : 6,827,741.25 = 2,772,200.78 : x
  2. Step 2: Convert to fraction form
    4,947,642.02/6,827,741.25 = 2,772,200.78/x
  3. Step 3: Cross multiply
    4,947,642.02x = 6,827,741.25 × 2,772,200.78
  4. Step 4: Simplify right side
    4,947,642.02x = 18,927,869,599,957.75
  5. Step 5: Solve for x
    x = 18,927,869,599,957.75/4,947,642.02
  6. Step 6: Final answer
    x = 3,825,634.42

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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.