Home / 3,129,271.26-4,317,018.72-1,888,189.33

Finding the Fourth Proportional to 3,129,271.26, 4,317,018.72 and 1,888,189.33

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Solution

The fourth proportional to 3,129,271.26, 4,317,018.72 and 1,888,189.33 is: 2,604,871.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,271.26 : 4,317,018.72 = 1,888,189.33 : x
  2. Step 2: Convert to fraction form
    3,129,271.26/4,317,018.72 = 1,888,189.33/x
  3. Step 3: Cross multiply
    3,129,271.26x = 4,317,018.72 × 1,888,189.33
  4. Step 4: Simplify right side
    3,129,271.26x = 8,151,348,684,514.26
  5. Step 5: Solve for x
    x = 8,151,348,684,514.26/3,129,271.26
  6. Step 6: Final answer
    x = 2,604,871.23

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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.