Finding the Fourth Proportional to 4,238,838.18, 5,849,635.86 and 2,305,117.08
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Solution
The fourth proportional to 4,238,838.18, 5,849,635.86 and 2,305,117.08 is: 3,181,082.87
Step by Step Solution
- Step 1: Write the proportion equation
4,238,838.18 : 5,849,635.86 = 2,305,117.08 : x - Step 2: Convert to fraction form
4,238,838.18/5,849,635.86 = 2,305,117.08/x - Step 3: Cross multiply
4,238,838.18x = 5,849,635.86 × 2,305,117.08 - Step 4: Simplify right side
4,238,838.18x = 13,484,095,532,666.49 - Step 5: Solve for x
x = 13,484,095,532,666.49/4,238,838.18 - Step 6: Final answer
x = 3,181,082.87
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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.