Home / 2,519,145.05-3,777,985.51-981,798.32

Finding the Fourth Proportional to 2,519,145.05, 3,777,985.51 and 981,798.32

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Solution

The fourth proportional to 2,519,145.05, 3,777,985.51 and 981,798.32 is: 1,472,412.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,145.05 : 3,777,985.51 = 981,798.32 : x
  2. Step 2: Convert to fraction form
    2,519,145.05/3,777,985.51 = 981,798.32/x
  3. Step 3: Cross multiply
    2,519,145.05x = 3,777,985.51 × 981,798.32
  4. Step 4: Simplify right side
    2,519,145.05x = 3,709,219,810,880.54
  5. Step 5: Solve for x
    x = 3,709,219,810,880.54/2,519,145.05
  6. Step 6: Final answer
    x = 1,472,412.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.