Home / 3,475,878.71-4,796,448.09-1,947,690.59

Finding the Fourth Proportional to 3,475,878.71, 4,796,448.09 and 1,947,690.59

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Solution

The fourth proportional to 3,475,878.71, 4,796,448.09 and 1,947,690.59 is: 2,687,664.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475,878.71 : 4,796,448.09 = 1,947,690.59 : x
  2. Step 2: Convert to fraction form
    3,475,878.71/4,796,448.09 = 1,947,690.59/x
  3. Step 3: Cross multiply
    3,475,878.71x = 4,796,448.09 × 1,947,690.59
  4. Step 4: Simplify right side
    3,475,878.71x = 9,341,996,810,316.47
  5. Step 5: Solve for x
    x = 9,341,996,810,316.47/3,475,878.71
  6. Step 6: Final answer
    x = 2,687,664.79

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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.