Home / 1,606,238.39-2,216,302.23-918,128.45

Finding the Fourth Proportional to 1,606,238.39, 2,216,302.23 and 918,128.45

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Solution

The fourth proportional to 1,606,238.39, 2,216,302.23 and 918,128.45 is: 1,266,841.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606,238.39 : 2,216,302.23 = 918,128.45 : x
  2. Step 2: Convert to fraction form
    1,606,238.39/2,216,302.23 = 918,128.45/x
  3. Step 3: Cross multiply
    1,606,238.39x = 2,216,302.23 × 918,128.45
  4. Step 4: Simplify right side
    1,606,238.39x = 2,034,850,131,161.44
  5. Step 5: Solve for x
    x = 2,034,850,131,161.44/1,606,238.39
  6. Step 6: Final answer
    x = 1,266,841.92

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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.