Finding the Fourth Proportional to 3,486,713.73, 5,229,775.35 and 1,211,654.18
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Solution
The fourth proportional to 3,486,713.73, 5,229,775.35 and 1,211,654.18 is: 1,817,378.66
Step by Step Solution
- Step 1: Write the proportion equation
3,486,713.73 : 5,229,775.35 = 1,211,654.18 : x - Step 2: Convert to fraction form
3,486,713.73/5,229,775.35 = 1,211,654.18/x - Step 3: Cross multiply
3,486,713.73x = 5,229,775.35 × 1,211,654.18 - Step 4: Simplify right side
3,486,713.73x = 6,336,679,137,139.59 - Step 5: Solve for x
x = 6,336,679,137,139.59/3,486,713.73 - Step 6: Final answer
x = 1,817,378.66
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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.