Finding the Fourth Proportional to 6,331,332.18, 8,737,268.76 and 3,430,728.36
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Solution
The fourth proportional to 6,331,332.18, 8,737,268.76 and 3,430,728.36 is: 4,734,421.58
Step by Step Solution
- Step 1: Write the proportion equation
6,331,332.18 : 8,737,268.76 = 3,430,728.36 : x - Step 2: Convert to fraction form
6,331,332.18/8,737,268.76 = 3,430,728.36/x - Step 3: Cross multiply
6,331,332.18x = 8,737,268.76 × 3,430,728.36 - Step 4: Simplify right side
6,331,332.18x = 29,975,195,723,874.03 - Step 5: Solve for x
x = 29,975,195,723,874.03/6,331,332.18 - Step 6: Final answer
x = 4,734,421.58
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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.