Finding the Fourth Proportional to 4,822,437.47, 6,655,049.71 and 2,647,183.07
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Solution
The fourth proportional to 4,822,437.47, 6,655,049.71 and 2,647,183.07 is: 3,653,159.85
Step by Step Solution
- Step 1: Write the proportion equation
4,822,437.47 : 6,655,049.71 = 2,647,183.07 : x - Step 2: Convert to fraction form
4,822,437.47/6,655,049.71 = 2,647,183.07/x - Step 3: Cross multiply
4,822,437.47x = 6,655,049.71 × 2,647,183.07 - Step 4: Simplify right side
4,822,437.47x = 17,617,134,932,340.07 - Step 5: Solve for x
x = 17,617,134,932,340.07/4,822,437.47 - Step 6: Final answer
x = 3,653,159.85
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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.