Finding the Fourth Proportional to 1,547,708.06, 2,135,837.12 and 868,644.56
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Solution
The fourth proportional to 1,547,708.06, 2,135,837.12 and 868,644.56 is: 1,198,729.49
Step by Step Solution
- Step 1: Write the proportion equation
1,547,708.06 : 2,135,837.12 = 868,644.56 : x - Step 2: Convert to fraction form
1,547,708.06/2,135,837.12 = 868,644.56/x - Step 3: Cross multiply
1,547,708.06x = 2,135,837.12 × 868,644.56 - Step 4: Simplify right side
1,547,708.06x = 1,855,283,295,334.07 - Step 5: Solve for x
x = 1,855,283,295,334.07/1,547,708.06 - Step 6: Final answer
x = 1,198,729.49
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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.