Finding the Fourth Proportional to 4,608,715.92, 6,358,254.12 and 2,886,838.80
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Solution
The fourth proportional to 4,608,715.92, 6,358,254.12 and 2,886,838.80 is: 3,982,726.43
Step by Step Solution
- Step 1: Write the proportion equation
4,608,715.92 : 6,358,254.12 = 2,886,838.80 : x - Step 2: Convert to fraction form
4,608,715.92/6,358,254.12 = 2,886,838.80/x - Step 3: Cross multiply
4,608,715.92x = 6,358,254.12 × 2,886,838.80 - Step 4: Simplify right side
4,608,715.92x = 18,355,254,693,875.86 - Step 5: Solve for x
x = 18,355,254,693,875.86/4,608,715.92 - Step 6: Final answer
x = 3,982,726.43
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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.