Finding the Fourth Proportional to 4,972,115.81, 6,861,590.67 and 2,934,925.31
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Solution
The fourth proportional to 4,972,115.81, 6,861,590.67 and 2,934,925.31 is: 4,050,238.75
Step by Step Solution
- Step 1: Write the proportion equation
4,972,115.81 : 6,861,590.67 = 2,934,925.31 : x - Step 2: Convert to fraction form
4,972,115.81/6,861,590.67 = 2,934,925.31/x - Step 3: Cross multiply
4,972,115.81x = 6,861,590.67 × 2,934,925.31 - Step 4: Simplify right side
4,972,115.81x = 20,138,256,124,242.86 - Step 5: Solve for x
x = 20,138,256,124,242.86/4,972,115.81 - Step 6: Final answer
x = 4,050,238.75
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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.