Finding the Fourth Proportional to 7,169,895.30, 9,894,330.99 and 3,906,736.86
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Solution
The fourth proportional to 7,169,895.30, 9,894,330.99 and 3,906,736.86 is: 5,391,229.02
Step by Step Solution
- Step 1: Write the proportion equation
7,169,895.30 : 9,894,330.99 = 3,906,736.86 : x - Step 2: Convert to fraction form
7,169,895.30/9,894,330.99 = 3,906,736.86/x - Step 3: Cross multiply
7,169,895.30x = 9,894,330.99 × 3,906,736.86 - Step 4: Simplify right side
7,169,895.30x = 38,654,547,583,673.29 - Step 5: Solve for x
x = 38,654,547,583,673.29/7,169,895.30 - Step 6: Final answer
x = 5,391,229.02
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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.