Finding the Fourth Proportional to 1,547,133.98, 2,135,081.70 and 868,120.70
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Solution
The fourth proportional to 1,547,133.98, 2,135,081.70 and 868,120.70 is: 1,198,027.22
Step by Step Solution
- Step 1: Write the proportion equation
1,547,133.98 : 2,135,081.70 = 868,120.70 : x - Step 2: Convert to fraction form
1,547,133.98/2,135,081.70 = 868,120.70/x - Step 3: Cross multiply
1,547,133.98x = 2,135,081.70 × 868,120.70 - Step 4: Simplify right side
1,547,133.98x = 1,853,508,619,961.19 - Step 5: Solve for x
x = 1,853,508,619,961.19/1,547,133.98 - Step 6: Final answer
x = 1,198,027.22
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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.