Finding the Fourth Proportional to 3,721,169.85, 5,578,211.80 and 1,195,053.63
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Solution
The fourth proportional to 3,721,169.85, 5,578,211.80 and 1,195,053.63 is: 1,791,442.62
Step by Step Solution
- Step 1: Write the proportion equation
3,721,169.85 : 5,578,211.80 = 1,195,053.63 : x - Step 2: Convert to fraction form
3,721,169.85/5,578,211.80 = 1,195,053.63/x - Step 3: Cross multiply
3,721,169.85x = 5,578,211.80 × 1,195,053.63 - Step 4: Simplify right side
3,721,169.85x = 6,666,262,260,498.83 - Step 5: Solve for x
x = 6,666,262,260,498.83/3,721,169.85 - Step 6: Final answer
x = 1,791,442.62
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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.