Home / 1,881,677.98-2,820,843.78-816,138.64

Finding the Fourth Proportional to 1,881,677.98, 2,820,843.78 and 816,138.64

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Solution

The fourth proportional to 1,881,677.98, 2,820,843.78 and 816,138.64 is: 1,223,482.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,677.98 : 2,820,843.78 = 816,138.64 : x
  2. Step 2: Convert to fraction form
    1,881,677.98/2,820,843.78 = 816,138.64/x
  3. Step 3: Cross multiply
    1,881,677.98x = 2,820,843.78 × 816,138.64
  4. Step 4: Simplify right side
    1,881,677.98x = 2,302,199,606,261.66
  5. Step 5: Solve for x
    x = 2,302,199,606,261.66/1,881,677.98
  6. Step 6: Final answer
    x = 1,223,482.25

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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.