Finding the Fourth Proportional to 3,138,159.20, 4,707,935.76 and 894,316.64
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Solution
The fourth proportional to 3,138,159.20, 4,707,935.76 and 894,316.64 is: 1,341,673.58
Step by Step Solution
- Step 1: Write the proportion equation
3,138,159.20 : 4,707,935.76 = 894,316.64 : x - Step 2: Convert to fraction form
3,138,159.20/4,707,935.76 = 894,316.64/x - Step 3: Cross multiply
3,138,159.20x = 4,707,935.76 × 894,316.64 - Step 4: Simplify right side
3,138,159.20x = 4,210,385,290,219.05 - Step 5: Solve for x
x = 4,210,385,290,219.05/3,138,159.20 - Step 6: Final answer
x = 1,341,673.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.