Home / 3,388,115.16-4,674,988.98-1,918,013.80

Finding the Fourth Proportional to 3,388,115.16, 4,674,988.98 and 1,918,013.80

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Solution

The fourth proportional to 3,388,115.16, 4,674,988.98 and 1,918,013.80 is: 2,646,513.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388,115.16 : 4,674,988.98 = 1,918,013.80 : x
  2. Step 2: Convert to fraction form
    3,388,115.16/4,674,988.98 = 1,918,013.80/x
  3. Step 3: Cross multiply
    3,388,115.16x = 4,674,988.98 × 1,918,013.80
  4. Step 4: Simplify right side
    3,388,115.16x = 8,966,693,378,487.93
  5. Step 5: Solve for x
    x = 8,966,693,378,487.93/3,388,115.16
  6. Step 6: Final answer
    x = 2,646,513.76

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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.