Home / 2,004,985.96-3,006,277.91-638,169.28

Finding the Fourth Proportional to 2,004,985.96, 3,006,277.91 and 638,169.28

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Solution

The fourth proportional to 2,004,985.96, 3,006,277.91 and 638,169.28 is: 956,871.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004,985.96 : 3,006,277.91 = 638,169.28 : x
  2. Step 2: Convert to fraction form
    2,004,985.96/3,006,277.91 = 638,169.28/x
  3. Step 3: Cross multiply
    2,004,985.96x = 3,006,277.91 × 638,169.28
  4. Step 4: Simplify right side
    2,004,985.96x = 1,918,514,200,991.20
  5. Step 5: Solve for x
    x = 1,918,514,200,991.20/2,004,985.96
  6. Step 6: Final answer
    x = 956,871.64

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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.