Home / 2,756,119.38-3,803,345.21-1,515,719.01

Finding the Fourth Proportional to 2,756,119.38, 3,803,345.21 and 1,515,719.01

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Solution

The fourth proportional to 2,756,119.38, 3,803,345.21 and 1,515,719.01 is: 2,091,637.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756,119.38 : 3,803,345.21 = 1,515,719.01 : x
  2. Step 2: Convert to fraction form
    2,756,119.38/3,803,345.21 = 1,515,719.01/x
  3. Step 3: Cross multiply
    2,756,119.38x = 3,803,345.21 × 1,515,719.01
  4. Step 4: Simplify right side
    2,756,119.38x = 5,764,802,628,810.85
  5. Step 5: Solve for x
    x = 5,764,802,628,810.85/2,756,119.38
  6. Step 6: Final answer
    x = 2,091,637.49

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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.