Finding the Fourth Proportional to 4,175,292.78, 5,762,045.84 and 3,983,974.02
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Solution
The fourth proportional to 4,175,292.78, 5,762,045.84 and 3,983,974.02 is: 5,498,019.45
Step by Step Solution
- Step 1: Write the proportion equation
4,175,292.78 : 5,762,045.84 = 3,983,974.02 : x - Step 2: Convert to fraction form
4,175,292.78/5,762,045.84 = 3,983,974.02/x - Step 3: Cross multiply
4,175,292.78x = 5,762,045.84 × 3,983,974.02 - Step 4: Simplify right side
4,175,292.78x = 22,955,840,908,689.21 - Step 5: Solve for x
x = 22,955,840,908,689.21/4,175,292.78 - Step 6: Final answer
x = 5,498,019.45
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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.