Finding the Fourth Proportional to 5,012,418.38, 6,917,150.67 and 2,720,579.06
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Solution
The fourth proportional to 5,012,418.38, 6,917,150.67 and 2,720,579.06 is: 3,754,406.32
Step by Step Solution
- Step 1: Write the proportion equation
5,012,418.38 : 6,917,150.67 = 2,720,579.06 : x - Step 2: Convert to fraction form
5,012,418.38/6,917,150.67 = 2,720,579.06/x - Step 3: Cross multiply
5,012,418.38x = 6,917,150.67 × 2,720,579.06 - Step 4: Simplify right side
5,012,418.38x = 18,818,655,233,081.22 - Step 5: Solve for x
x = 18,818,655,233,081.22/5,012,418.38 - Step 6: Final answer
x = 3,754,406.32
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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.