Home / 2,914,112.35-4,020,973.29-1,868,448.02

Finding the Fourth Proportional to 2,914,112.35, 4,020,973.29 and 1,868,448.02

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Solution

The fourth proportional to 2,914,112.35, 4,020,973.29 and 1,868,448.02 is: 2,578,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914,112.35 : 4,020,973.29 = 1,868,448.02 : x
  2. Step 2: Convert to fraction form
    2,914,112.35/4,020,973.29 = 1,868,448.02/x
  3. Step 3: Cross multiply
    2,914,112.35x = 4,020,973.29 × 1,868,448.02
  4. Step 4: Simplify right side
    2,914,112.35x = 7,512,979,582,173.39
  5. Step 5: Solve for x
    x = 7,512,979,582,173.39/2,914,112.35
  6. Step 6: Final answer
    x = 2,578,136.56

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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.