Finding the Fourth Proportional to 4,368,469.20, 6,552,703.80 and 4,119,637.20
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Solution
The fourth proportional to 4,368,469.20, 6,552,703.80 and 4,119,637.20 is: 6,179,455.80
Step by Step Solution
- Step 1: Write the proportion equation
4,368,469.20 : 6,552,703.80 = 4,119,637.20 : x - Step 2: Convert to fraction form
4,368,469.20/6,552,703.80 = 4,119,637.20/x - Step 3: Cross multiply
4,368,469.20x = 6,552,703.80 × 4,119,637.20 - Step 4: Simplify right side
4,368,469.20x = 26,994,762,335,061.36 - Step 5: Solve for x
x = 26,994,762,335,061.36/4,368,469.20 - Step 6: Final answer
x = 6,179,455.80
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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.