Finding the Fourth Proportional to 4,972,113.81, 6,861,587.91 and 2,934,923.31
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Solution
The fourth proportional to 4,972,113.81, 6,861,587.91 and 2,934,923.31 is: 4,050,235.99
Step by Step Solution
- Step 1: Write the proportion equation
4,972,113.81 : 6,861,587.91 = 2,934,923.31 : x - Step 2: Convert to fraction form
4,972,113.81/6,861,587.91 = 2,934,923.31/x - Step 3: Cross multiply
4,972,113.81x = 6,861,587.91 × 2,934,923.31 - Step 4: Simplify right side
4,972,113.81x = 20,138,234,300,673.18 - Step 5: Solve for x
x = 20,138,234,300,673.18/4,972,113.81 - Step 6: Final answer
x = 4,050,235.99
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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.