Finding the Fourth Proportional to 6,473,795.40, 9,713,414.70 and 3,478,480.20
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Solution
The fourth proportional to 6,473,795.40, 9,713,414.70 and 3,478,480.20 is: 5,219,182.66
Step by Step Solution
- Step 1: Write the proportion equation
6,473,795.40 : 9,713,414.70 = 3,478,480.20 : x - Step 2: Convert to fraction form
6,473,795.40/9,713,414.70 = 3,478,480.20/x - Step 3: Cross multiply
6,473,795.40x = 9,713,414.70 × 3,478,480.20 - Step 4: Simplify right side
6,473,795.40x = 33,787,920,708,338.94 - Step 5: Solve for x
x = 33,787,920,708,338.94/6,473,795.40 - Step 6: Final answer
x = 5,219,182.66
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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.