Finding the Fourth Proportional to 5,578,653.70, 8,364,043.95 and 2,547,471.70
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Solution
The fourth proportional to 5,578,653.70, 8,364,043.95 and 2,547,471.70 is: 3,819,409.92
Step by Step Solution
- Step 1: Write the proportion equation
5,578,653.70 : 8,364,043.95 = 2,547,471.70 : x - Step 2: Convert to fraction form
5,578,653.70/8,364,043.95 = 2,547,471.70/x - Step 3: Cross multiply
5,578,653.70x = 8,364,043.95 × 2,547,471.70 - Step 4: Simplify right side
5,578,653.70x = 21,307,165,260,181.22 - Step 5: Solve for x
x = 21,307,165,260,181.22/5,578,653.70 - Step 6: Final answer
x = 3,819,409.92
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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.