Finding the Fourth Proportional to 1,547,564.67, 2,135,836.26 and 868,501.17
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Solution
The fourth proportional to 1,547,564.67, 2,135,836.26 and 868,501.17 is: 1,198,642.18
Step by Step Solution
- Step 1: Write the proportion equation
1,547,564.67 : 2,135,836.26 = 868,501.17 : x - Step 2: Convert to fraction form
1,547,564.67/2,135,836.26 = 868,501.17/x - Step 3: Cross multiply
1,547,564.67x = 2,135,836.26 × 868,501.17 - Step 4: Simplify right side
1,547,564.67x = 1,854,976,290,738.42 - Step 5: Solve for x
x = 1,854,976,290,738.42/1,547,564.67 - Step 6: Final answer
x = 1,198,642.18
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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.