Home / 1,531,529.03-2,112,941.54-1,529,167.07

Finding the Fourth Proportional to 1,531,529.03, 2,112,941.54 and 1,529,167.07

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Solution

The fourth proportional to 1,531,529.03, 2,112,941.54 and 1,529,167.07 is: 2,109,682.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,529.03 : 2,112,941.54 = 1,529,167.07 : x
  2. Step 2: Convert to fraction form
    1,531,529.03/2,112,941.54 = 1,529,167.07/x
  3. Step 3: Cross multiply
    1,531,529.03x = 2,112,941.54 × 1,529,167.07
  4. Step 4: Simplify right side
    1,531,529.03x = 3,231,040,605,592.55
  5. Step 5: Solve for x
    x = 3,231,040,605,592.55/1,531,529.03
  6. Step 6: Final answer
    x = 2,109,682.91

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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.