Finding the Fourth Proportional to 1,547,708.97, 2,135,838.36 and 868,645.47
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Solution
The fourth proportional to 1,547,708.97, 2,135,838.36 and 868,645.47 is: 1,198,730.74
Step by Step Solution
- Step 1: Write the proportion equation
1,547,708.97 : 2,135,838.36 = 868,645.47 : x - Step 2: Convert to fraction form
1,547,708.97/2,135,838.36 = 868,645.47/x - Step 3: Cross multiply
1,547,708.97x = 2,135,838.36 × 868,645.47 - Step 4: Simplify right side
1,547,708.97x = 1,855,286,316,066.23 - Step 5: Solve for x
x = 1,855,286,316,066.23/1,547,708.97 - Step 6: Final answer
x = 1,198,730.74
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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.