Finding the Fourth Proportional to 1,521,827.22, 2,282,202.35 and 442,115.13
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Solution
The fourth proportional to 1,521,827.22, 2,282,202.35 and 442,115.13 is: 663,016.26
Step by Step Solution
- Step 1: Write the proportion equation
1,521,827.22 : 2,282,202.35 = 442,115.13 : x - Step 2: Convert to fraction form
1,521,827.22/2,282,202.35 = 442,115.13/x - Step 3: Cross multiply
1,521,827.22x = 2,282,202.35 × 442,115.13 - Step 4: Simplify right side
1,521,827.22x = 1,008,996,186,445.98 - Step 5: Solve for x
x = 1,008,996,186,445.98/1,521,827.22 - Step 6: Final answer
x = 663,016.26
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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.