Finding the Fourth Proportional to 6,419,305.04, 8,853,475.61 and 5,643,276.62
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Solution
The fourth proportional to 6,419,305.04, 8,853,475.61 and 5,643,276.62 is: 7,783,180.82
Step by Step Solution
- Step 1: Write the proportion equation
6,419,305.04 : 8,853,475.61 = 5,643,276.62 : x - Step 2: Convert to fraction form
6,419,305.04/8,853,475.61 = 5,643,276.62/x - Step 3: Cross multiply
6,419,305.04x = 8,853,475.61 × 5,643,276.62 - Step 4: Simplify right side
6,419,305.04x = 49,962,611,887,436.86 - Step 5: Solve for x
x = 49,962,611,887,436.86/6,419,305.04 - Step 6: Final answer
x = 7,783,180.82
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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.