Finding the Fourth Proportional to 4,476,832.43, 6,173,639.82 and 2,842,402.28
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Solution
The fourth proportional to 4,476,832.43, 6,173,639.82 and 2,842,402.28 is: 3,919,728.55
Step by Step Solution
- Step 1: Write the proportion equation
4,476,832.43 : 6,173,639.82 = 2,842,402.28 : x - Step 2: Convert to fraction form
4,476,832.43/6,173,639.82 = 2,842,402.28/x - Step 3: Cross multiply
4,476,832.43x = 6,173,639.82 × 2,842,402.28 - Step 4: Simplify right side
4,476,832.43x = 17,547,967,869,398.59 - Step 5: Solve for x
x = 17,547,967,869,398.59/4,476,832.43 - Step 6: Final answer
x = 3,919,728.55
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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.