Home / 1,606,236.39-2,216,299.47-918,126.45

Finding the Fourth Proportional to 1,606,236.39, 2,216,299.47 and 918,126.45

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Solution

The fourth proportional to 1,606,236.39, 2,216,299.47 and 918,126.45 is: 1,266,839.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606,236.39 : 2,216,299.47 = 918,126.45 : x
  2. Step 2: Convert to fraction form
    1,606,236.39/2,216,299.47 = 918,126.45/x
  3. Step 3: Cross multiply
    1,606,236.39x = 2,216,299.47 × 918,126.45
  4. Step 4: Simplify right side
    1,606,236.39x = 2,034,843,164,527.98
  5. Step 5: Solve for x
    x = 2,034,843,164,527.98/1,606,236.39
  6. Step 6: Final answer
    x = 1,266,839.16

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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.