Finding the Fourth Proportional to 6,439,278.92, 8,881,706.58 and 5,465,693.48
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Solution
The fourth proportional to 6,439,278.92, 8,881,706.58 and 5,465,693.48 is: 7,538,838.80
Step by Step Solution
- Step 1: Write the proportion equation
6,439,278.92 : 8,881,706.58 = 5,465,693.48 : x - Step 2: Convert to fraction form
6,439,278.92/8,881,706.58 = 5,465,693.48/x - Step 3: Cross multiply
6,439,278.92x = 8,881,706.58 × 5,465,693.48 - Step 4: Simplify right side
6,439,278.92x = 48,544,685,745,579.10 - Step 5: Solve for x
x = 48,544,685,745,579.10/6,439,278.92 - Step 6: Final answer
x = 7,538,838.80
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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.