Finding the Fourth Proportional to 5,217,737.63, 7,826,606.42 and 2,826,253.13
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Solution
The fourth proportional to 5,217,737.63, 7,826,606.42 and 2,826,253.13 is: 4,239,379.68
Step by Step Solution
- Step 1: Write the proportion equation
5,217,737.63 : 7,826,606.42 = 2,826,253.13 : x - Step 2: Convert to fraction form
5,217,737.63/7,826,606.42 = 2,826,253.13/x - Step 3: Cross multiply
5,217,737.63x = 7,826,606.42 × 2,826,253.13 - Step 4: Simplify right side
5,217,737.63x = 22,119,970,898,461.13 - Step 5: Solve for x
x = 22,119,970,898,461.13/5,217,737.63 - Step 6: Final answer
x = 4,239,379.68
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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.