Home / 3,185,509-4,395,878.10-1,947,192.52

Finding the Fourth Proportional to 3,185,509, 4,395,878.10 and 1,947,192.52

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Solution

The fourth proportional to 3,185,509, 4,395,878.10 and 1,947,192.52 is: 2,687,049.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185,509 : 4,395,878.10 = 1,947,192.52 : x
  2. Step 2: Convert to fraction form
    3,185,509/4,395,878.10 = 1,947,192.52/x
  3. Step 3: Cross multiply
    3,185,509x = 4,395,878.10 × 1,947,192.52
  4. Step 4: Simplify right side
    3,185,509x = 8,559,620,955,151.81
  5. Step 5: Solve for x
    x = 8,559,620,955,151.81/3,185,509
  6. Step 6: Final answer
    x = 2,687,049.69

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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.