Finding the Fourth Proportional to 6,961,400.71, 9,607,311.66 and 3,864,215.05
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Solution
The fourth proportional to 6,961,400.71, 9,607,311.66 and 3,864,215.05 is: 5,332,937.99
Step by Step Solution
- Step 1: Write the proportion equation
6,961,400.71 : 9,607,311.66 = 3,864,215.05 : x - Step 2: Convert to fraction form
6,961,400.71/9,607,311.66 = 3,864,215.05/x - Step 3: Cross multiply
6,961,400.71x = 9,607,311.66 × 3,864,215.05 - Step 4: Simplify right side
6,961,400.71x = 37,124,718,306,612.48 - Step 5: Solve for x
x = 37,124,718,306,612.48/6,961,400.71 - Step 6: Final answer
x = 5,332,937.99
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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.