Finding the Fourth Proportional to 1,547,126.97, 2,135,072.04 and 868,113.69
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Solution
The fourth proportional to 1,547,126.97, 2,135,072.04 and 868,113.69 is: 1,198,017.55
Step by Step Solution
- Step 1: Write the proportion equation
1,547,126.97 : 2,135,072.04 = 868,113.69 : x - Step 2: Convert to fraction form
1,547,126.97/2,135,072.04 = 868,113.69/x - Step 3: Cross multiply
1,547,126.97x = 2,135,072.04 × 868,113.69 - Step 4: Simplify right side
1,547,126.97x = 1,853,485,267,060.23 - Step 5: Solve for x
x = 1,853,485,267,060.23/1,547,126.97 - Step 6: Final answer
x = 1,198,017.55
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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.