Finding the Fourth Proportional to 2,223,187.29, 3,067,855.88 and 1,243,207.08
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Solution
The fourth proportional to 2,223,187.29, 3,067,855.88 and 1,243,207.08 is: 1,715,546.04
Step by Step Solution
- Step 1: Write the proportion equation
2,223,187.29 : 3,067,855.88 = 1,243,207.08 : x - Step 2: Convert to fraction form
2,223,187.29/3,067,855.88 = 1,243,207.08/x - Step 3: Cross multiply
2,223,187.29x = 3,067,855.88 × 1,243,207.08 - Step 4: Simplify right side
2,223,187.29x = 3,813,980,144,219.60 - Step 5: Solve for x
x = 3,813,980,144,219.60/2,223,187.29 - Step 6: Final answer
x = 1,715,546.04
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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.