Finding the Fourth Proportional to 6,218,175.64, 8,580,855.84 and 3,464,720.80
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Solution
The fourth proportional to 6,218,175.64, 8,580,855.84 and 3,464,720.80 is: 4,781,188.48
Step by Step Solution
- Step 1: Write the proportion equation
6,218,175.64 : 8,580,855.84 = 3,464,720.80 : x - Step 2: Convert to fraction form
6,218,175.64/8,580,855.84 = 3,464,720.80/x - Step 3: Cross multiply
6,218,175.64x = 8,580,855.84 × 3,464,720.80 - Step 4: Simplify right side
6,218,175.64x = 29,730,269,710,649.47 - Step 5: Solve for x
x = 29,730,269,710,649.47/6,218,175.64 - Step 6: Final answer
x = 4,781,188.48
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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.