Finding the Fourth Proportional to 4,121,425.71, 5,680,998.05 and 3,248,838.36
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Solution
The fourth proportional to 4,121,425.71, 5,680,998.05 and 3,248,838.36 is: 4,478,218.38
Step by Step Solution
- Step 1: Write the proportion equation
4,121,425.71 : 5,680,998.05 = 3,248,838.36 : x - Step 2: Convert to fraction form
4,121,425.71/5,680,998.05 = 3,248,838.36/x - Step 3: Cross multiply
4,121,425.71x = 5,680,998.05 × 3,248,838.36 - Step 4: Simplify right side
4,121,425.71x = 18,456,644,371,681.00 - Step 5: Solve for x
x = 18,456,644,371,681.00/4,121,425.71 - Step 6: Final answer
x = 4,478,218.38
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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.