Finding the Fourth Proportional to 1,547,437.22, 2,135,616.82 and 868,376.42
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Solution
The fourth proportional to 1,547,437.22, 2,135,616.82 and 868,376.42 is: 1,198,445.57
Step by Step Solution
- Step 1: Write the proportion equation
1,547,437.22 : 2,135,616.82 = 868,376.42 : x - Step 2: Convert to fraction form
1,547,437.22/2,135,616.82 = 868,376.42/x - Step 3: Cross multiply
1,547,437.22x = 2,135,616.82 × 868,376.42 - Step 4: Simplify right side
1,547,437.22x = 1,854,519,288,643.38 - Step 5: Solve for x
x = 1,854,519,288,643.38/1,547,437.22 - Step 6: Final answer
x = 1,198,445.57
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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.