Finding the Fourth Proportional to 6,419,310.04, 8,853,482.48 and 5,643,281.62
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Solution
The fourth proportional to 6,419,310.04, 8,853,482.48 and 5,643,281.62 is: 7,783,187.70
Step by Step Solution
- Step 1: Write the proportion equation
6,419,310.04 : 8,853,482.48 = 5,643,281.62 : x - Step 2: Convert to fraction form
6,419,310.04/8,853,482.48 = 5,643,281.62/x - Step 3: Cross multiply
6,419,310.04x = 8,853,482.48 × 5,643,281.62 - Step 4: Simplify right side
6,419,310.04x = 49,962,694,952,376.02 - Step 5: Solve for x
x = 49,962,694,952,376.02/6,419,310.04 - Step 6: Final answer
x = 7,783,187.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.