Finding the Fourth Proportional to 4,625,306.88, 6,937,921.56 and 3,615,278.28
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Solution
The fourth proportional to 4,625,306.88, 6,937,921.56 and 3,615,278.28 is: 5,422,887.12
Step by Step Solution
- Step 1: Write the proportion equation
4,625,306.88 : 6,937,921.56 = 3,615,278.28 : x - Step 2: Convert to fraction form
4,625,306.88/6,937,921.56 = 3,615,278.28/x - Step 3: Cross multiply
4,625,306.88x = 6,937,921.56 × 3,615,278.28 - Step 4: Simplify right side
4,625,306.88x = 25,082,517,124,211.71 - Step 5: Solve for x
x = 25,082,517,124,211.71/4,625,306.88 - Step 6: Final answer
x = 5,422,887.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.