Finding the Fourth Proportional to 1,547,119.47, 2,135,061.69 and 868,106.19
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Solution
The fourth proportional to 1,547,119.47, 2,135,061.69 and 868,106.19 is: 1,198,007.20
Step by Step Solution
- Step 1: Write the proportion equation
1,547,119.47 : 2,135,061.69 = 868,106.19 : x - Step 2: Convert to fraction form
1,547,119.47/2,135,061.69 = 868,106.19/x - Step 3: Cross multiply
1,547,119.47x = 2,135,061.69 × 868,106.19 - Step 4: Simplify right side
1,547,119.47x = 1,853,460,269,120.86 - Step 5: Solve for x
x = 1,853,460,269,120.86/1,547,119.47 - Step 6: Final answer
x = 1,198,007.20
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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.