Finding the Fourth Proportional to 7,417,400.70, 11,120,787.45 and 2,864,552.70
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Solution
The fourth proportional to 7,417,400.70, 11,120,787.45 and 2,864,552.70 is: 4,294,776.97
Step by Step Solution
- Step 1: Write the proportion equation
7,417,400.70 : 11,120,787.45 = 2,864,552.70 : x - Step 2: Convert to fraction form
7,417,400.70/11,120,787.45 = 2,864,552.70/x - Step 3: Cross multiply
7,417,400.70x = 11,120,787.45 × 2,864,552.70 - Step 4: Simplify right side
7,417,400.70x = 31,856,081,716,023.61 - Step 5: Solve for x
x = 31,856,081,716,023.61/7,417,400.70 - Step 6: Final answer
x = 4,294,776.97
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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.