Finding the Fourth Proportional to 2,778,799.66, 4,168,121.73 and 885,654.70
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Solution
The fourth proportional to 2,778,799.66, 4,168,121.73 and 885,654.70 is: 1,328,457.27
Step by Step Solution
- Step 1: Write the proportion equation
2,778,799.66 : 4,168,121.73 = 885,654.70 : x - Step 2: Convert to fraction form
2,778,799.66/4,168,121.73 = 885,654.70/x - Step 3: Cross multiply
2,778,799.66x = 4,168,121.73 × 885,654.70 - Step 4: Simplify right side
2,778,799.66x = 3,691,516,600,346.63 - Step 5: Solve for x
x = 3,691,516,600,346.63/2,778,799.66 - Step 6: Final answer
x = 1,328,457.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.