Finding the Fourth Proportional to 3,338,696.88, 4,607,505.99 and 1,888,363.94
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Solution
The fourth proportional to 3,338,696.88, 4,607,505.99 and 1,888,363.94 is: 2,606,001.22
Step by Step Solution
- Step 1: Write the proportion equation
3,338,696.88 : 4,607,505.99 = 1,888,363.94 : x - Step 2: Convert to fraction form
3,338,696.88/4,607,505.99 = 1,888,363.94/x - Step 3: Cross multiply
3,338,696.88x = 4,607,505.99 × 1,888,363.94 - Step 4: Simplify right side
3,338,696.88x = 8,700,648,141,812.47 - Step 5: Solve for x
x = 8,700,648,141,812.47/3,338,696.88 - Step 6: Final answer
x = 2,606,001.22
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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.