Finding the Fourth Proportional to 4,747,376.16, 7,122,184.32 and 1,552,489.92
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Solution
The fourth proportional to 4,747,376.16, 7,122,184.32 and 1,552,489.92 is: 2,329,101.17
Step by Step Solution
- Step 1: Write the proportion equation
4,747,376.16 : 7,122,184.32 = 1,552,489.92 : x - Step 2: Convert to fraction form
4,747,376.16/7,122,184.32 = 1,552,489.92/x - Step 3: Cross multiply
4,747,376.16x = 7,122,184.32 × 1,552,489.92 - Step 4: Simplify right side
4,747,376.16x = 11,057,119,365,182.05 - Step 5: Solve for x
x = 11,057,119,365,182.05/4,747,376.16 - Step 6: Final answer
x = 2,329,101.17
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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.