Finding the Fourth Proportional to 6,471,341.20, 9,713,232.60 and 3,280,070.80
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Solution
The fourth proportional to 6,471,341.20, 9,713,232.60 and 3,280,070.80 is: 4,923,259.28
Step by Step Solution
- Step 1: Write the proportion equation
6,471,341.20 : 9,713,232.60 = 3,280,070.80 : x - Step 2: Convert to fraction form
6,471,341.20/9,713,232.60 = 3,280,070.80/x - Step 3: Cross multiply
6,471,341.20x = 9,713,232.60 × 3,280,070.80 - Step 4: Simplify right side
6,471,341.20x = 31,860,090,624,868.08 - Step 5: Solve for x
x = 31,860,090,624,868.08/6,471,341.20 - Step 6: Final answer
x = 4,923,259.28
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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.