Home / 3,421,984.19-5,131,939.48-1,426,973.63

Finding the Fourth Proportional to 3,421,984.19, 5,131,939.48 and 1,426,973.63

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Solution

The fourth proportional to 3,421,984.19, 5,131,939.48 and 1,426,973.63 is: 2,140,028.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421,984.19 : 5,131,939.48 = 1,426,973.63 : x
  2. Step 2: Convert to fraction form
    3,421,984.19/5,131,939.48 = 1,426,973.63/x
  3. Step 3: Cross multiply
    3,421,984.19x = 5,131,939.48 × 1,426,973.63
  4. Step 4: Simplify right side
    3,421,984.19x = 7,323,142,279,488.78
  5. Step 5: Solve for x
    x = 7,323,142,279,488.78/3,421,984.19
  6. Step 6: Final answer
    x = 2,140,028.09

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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.