Finding the Fourth Proportional to 3,251,678.59, 4,487,316.66 and 1,781,593.39
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Solution
The fourth proportional to 3,251,678.59, 4,487,316.66 and 1,781,593.39 is: 2,458,598.99
Step by Step Solution
- Step 1: Write the proportion equation
3,251,678.59 : 4,487,316.66 = 1,781,593.39 : x - Step 2: Convert to fraction form
3,251,678.59/4,487,316.66 = 1,781,593.39/x - Step 3: Cross multiply
3,251,678.59x = 4,487,316.66 × 1,781,593.39 - Step 4: Simplify right side
3,251,678.59x = 7,994,573,668,948.33 - Step 5: Solve for x
x = 7,994,573,668,948.33/3,251,678.59 - Step 6: Final answer
x = 2,458,598.99
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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.