Finding the Fourth Proportional to 4,117,848.80, 6,182,302.80 and 2,628,543.20
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Solution
The fourth proportional to 4,117,848.80, 6,182,302.80 and 2,628,543.20 is: 3,946,344.51
Step by Step Solution
- Step 1: Write the proportion equation
4,117,848.80 : 6,182,302.80 = 2,628,543.20 : x - Step 2: Convert to fraction form
4,117,848.80/6,182,302.80 = 2,628,543.20/x - Step 3: Cross multiply
4,117,848.80x = 6,182,302.80 × 2,628,543.20 - Step 4: Simplify right side
4,117,848.80x = 16,250,449,985,280.96 - Step 5: Solve for x
x = 16,250,449,985,280.96/4,117,848.80 - Step 6: Final answer
x = 3,946,344.51
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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.