Finding the Fourth Proportional to 3,630,744.18, 5,010,551.19 and 1,999,264.05
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Solution
The fourth proportional to 3,630,744.18, 5,010,551.19 and 1,999,264.05 is: 2,759,052.79
Step by Step Solution
- Step 1: Write the proportion equation
3,630,744.18 : 5,010,551.19 = 1,999,264.05 : x - Step 2: Convert to fraction form
3,630,744.18/5,010,551.19 = 1,999,264.05/x - Step 3: Cross multiply
3,630,744.18x = 5,010,551.19 × 1,999,264.05 - Step 4: Simplify right side
3,630,744.18x = 10,017,414,864,851.72 - Step 5: Solve for x
x = 10,017,414,864,851.72/3,630,744.18 - Step 6: Final answer
x = 2,759,052.79
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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.