Home / 4,071,628.13-5,621,028.26-3,139,299.60

Finding the Fourth Proportional to 4,071,628.13, 5,621,028.26 and 3,139,299.60

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Solution

The fourth proportional to 4,071,628.13, 5,621,028.26 and 3,139,299.60 is: 4,333,915.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071,628.13 : 5,621,028.26 = 3,139,299.60 : x
  2. Step 2: Convert to fraction form
    4,071,628.13/5,621,028.26 = 3,139,299.60/x
  3. Step 3: Cross multiply
    4,071,628.13x = 5,621,028.26 × 3,139,299.60
  4. Step 4: Simplify right side
    4,071,628.13x = 17,646,091,752,510.20
  5. Step 5: Solve for x
    x = 17,646,091,752,510.20/4,071,628.13
  6. Step 6: Final answer
    x = 4,333,915.38

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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.