Home / 1,538,462.57-2,298,100.11-1,139,881.82

Finding the Fourth Proportional to 1,538,462.57, 2,298,100.11 and 1,139,881.82

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Solution

The fourth proportional to 1,538,462.57, 2,298,100.11 and 1,139,881.82 is: 1,702,714.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,462.57 : 2,298,100.11 = 1,139,881.82 : x
  2. Step 2: Convert to fraction form
    1,538,462.57/2,298,100.11 = 1,139,881.82/x
  3. Step 3: Cross multiply
    1,538,462.57x = 2,298,100.11 × 1,139,881.82
  4. Step 4: Simplify right side
    1,538,462.57x = 2,619,562,520,163.94
  5. Step 5: Solve for x
    x = 2,619,562,520,163.94/1,538,462.57
  6. Step 6: Final answer
    x = 1,702,714.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.