Home / 1,620,548.13-2,236,822.40-1,069,665.94

Finding the Fourth Proportional to 1,620,548.13, 2,236,822.40 and 1,069,665.94

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Solution

The fourth proportional to 1,620,548.13, 2,236,822.40 and 1,069,665.94 is: 1,476,446.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,548.13 : 2,236,822.40 = 1,069,665.94 : x
  2. Step 2: Convert to fraction form
    1,620,548.13/2,236,822.40 = 1,069,665.94/x
  3. Step 3: Cross multiply
    1,620,548.13x = 2,236,822.40 × 1,069,665.94
  4. Step 4: Simplify right side
    1,620,548.13x = 2,392,652,735,109.06
  5. Step 5: Solve for x
    x = 2,392,652,735,109.06/1,620,548.13
  6. Step 6: Final answer
    x = 1,476,446.57

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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.