Finding the Fourth Proportional to 6,914,575.40, 9,541,863.96 and 3,817,032.28
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Solution
The fourth proportional to 6,914,575.40, 9,541,863.96 and 3,817,032.28 is: 5,267,366.49
Step by Step Solution
- Step 1: Write the proportion equation
6,914,575.40 : 9,541,863.96 = 3,817,032.28 : x - Step 2: Convert to fraction form
6,914,575.40/9,541,863.96 = 3,817,032.28/x - Step 3: Cross multiply
6,914,575.40x = 9,541,863.96 × 3,817,032.28 - Step 4: Simplify right side
6,914,575.40x = 36,421,602,746,688.63 - Step 5: Solve for x
x = 36,421,602,746,688.63/6,914,575.40 - Step 6: Final answer
x = 5,267,366.49
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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.