Finding the Fourth Proportional to 5,129,737.60, 7,684,108.80 and 2,606,814.40
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Solution
The fourth proportional to 5,129,737.60, 7,684,108.80 and 2,606,814.40 is: 3,904,886.96
Step by Step Solution
- Step 1: Write the proportion equation
5,129,737.60 : 7,684,108.80 = 2,606,814.40 : x - Step 2: Convert to fraction form
5,129,737.60/7,684,108.80 = 2,606,814.40/x - Step 3: Cross multiply
5,129,737.60x = 7,684,108.80 × 2,606,814.40 - Step 4: Simplify right side
5,129,737.60x = 20,031,045,471,006.72 - Step 5: Solve for x
x = 20,031,045,471,006.72/5,129,737.60 - Step 6: Final answer
x = 3,904,886.96
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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.