Home / 3,389,496-4,676,366.43-1,919,203.98

Finding the Fourth Proportional to 3,389,496, 4,676,366.43 and 1,919,203.98

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Solution

The fourth proportional to 3,389,496, 4,676,366.43 and 1,919,203.98 is: 2,647,857.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389,496 : 4,676,366.43 = 1,919,203.98 : x
  2. Step 2: Convert to fraction form
    3,389,496/4,676,366.43 = 1,919,203.98/x
  3. Step 3: Cross multiply
    3,389,496x = 4,676,366.43 × 1,919,203.98
  4. Step 4: Simplify right side
    3,389,496x = 8,974,901,064,394.39
  5. Step 5: Solve for x
    x = 8,974,901,064,394.39/3,389,496
  6. Step 6: Final answer
    x = 2,647,857.10

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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.