Finding the Fourth Proportional to 1,547,119.85, 2,135,062.21 and 868,106.57
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Solution
The fourth proportional to 1,547,119.85, 2,135,062.21 and 868,106.57 is: 1,198,007.72
Step by Step Solution
- Step 1: Write the proportion equation
1,547,119.85 : 2,135,062.21 = 868,106.57 : x - Step 2: Convert to fraction form
1,547,119.85/2,135,062.21 = 868,106.57/x - Step 3: Cross multiply
1,547,119.85x = 2,135,062.21 × 868,106.57 - Step 4: Simplify right side
1,547,119.85x = 1,853,461,519,014.14 - Step 5: Solve for x
x = 1,853,461,519,014.14/1,547,119.85 - Step 6: Final answer
x = 1,198,007.72
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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.