Finding the Fourth Proportional to 4,856,489.59, 6,701,779.60 and 2,680,985.92
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Solution
The fourth proportional to 4,856,489.59, 6,701,779.60 and 2,680,985.92 is: 3,699,663.39
Step by Step Solution
- Step 1: Write the proportion equation
4,856,489.59 : 6,701,779.60 = 2,680,985.92 : x - Step 2: Convert to fraction form
4,856,489.59/6,701,779.60 = 2,680,985.92/x - Step 3: Cross multiply
4,856,489.59x = 6,701,779.60 × 2,680,985.92 - Step 4: Simplify right side
4,856,489.59x = 17,967,376,746,543.23 - Step 5: Solve for x
x = 17,967,376,746,543.23/4,856,489.59 - Step 6: Final answer
x = 3,699,663.39
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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.