Finding the Fourth Proportional to 5,148,121.91, 7,719,154.68 and 1,953,472.73
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Solution
The fourth proportional to 5,148,121.91, 7,719,154.68 and 1,953,472.73 is: 2,929,060.04
Step by Step Solution
- Step 1: Write the proportion equation
5,148,121.91 : 7,719,154.68 = 1,953,472.73 : x - Step 2: Convert to fraction form
5,148,121.91/7,719,154.68 = 1,953,472.73/x - Step 3: Cross multiply
5,148,121.91x = 7,719,154.68 × 1,953,472.73 - Step 4: Simplify right side
5,148,121.91x = 15,079,158,166,031.88 - Step 5: Solve for x
x = 15,079,158,166,031.88/5,148,121.91 - Step 6: Final answer
x = 2,929,060.04
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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.