Finding the Fourth Proportional to 2,117,021.08, 3,175,052.80 and 979,158.92
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Solution
The fourth proportional to 2,117,021.08, 3,175,052.80 and 979,158.92 is: 1,468,516.92
Step by Step Solution
- Step 1: Write the proportion equation
2,117,021.08 : 3,175,052.80 = 979,158.92 : x - Step 2: Convert to fraction form
2,117,021.08/3,175,052.80 = 979,158.92/x - Step 3: Cross multiply
2,117,021.08x = 3,175,052.80 × 979,158.92 - Step 4: Simplify right side
2,117,021.08x = 3,108,881,270,590.98 - Step 5: Solve for x
x = 3,108,881,270,590.98/2,117,021.08 - Step 6: Final answer
x = 1,468,516.92
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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.