Home / 1,768,162.16-2,652,261.78-1,415,418.50

Finding the Fourth Proportional to 1,768,162.16, 2,652,261.78 and 1,415,418.50

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Solution

The fourth proportional to 1,768,162.16, 2,652,261.78 and 1,415,418.50 is: 2,123,142.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,162.16 : 2,652,261.78 = 1,415,418.50 : x
  2. Step 2: Convert to fraction form
    1,768,162.16/2,652,261.78 = 1,415,418.50/x
  3. Step 3: Cross multiply
    1,768,162.16x = 2,652,261.78 × 1,415,418.50
  4. Step 4: Simplify right side
    1,768,162.16x = 3,754,060,390,254.93
  5. Step 5: Solve for x
    x = 3,754,060,390,254.93/1,768,162.16
  6. Step 6: Final answer
    x = 2,123,142.59

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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.