Finding the Fourth Proportional to 6,878,555.31, 10,317,876.93 and 2,020,841.94
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Solution
The fourth proportional to 6,878,555.31, 10,317,876.93 and 2,020,841.94 is: 3,031,275.83
Step by Step Solution
- Step 1: Write the proportion equation
6,878,555.31 : 10,317,876.93 = 2,020,841.94 : x - Step 2: Convert to fraction form
6,878,555.31/10,317,876.93 = 2,020,841.94/x - Step 3: Cross multiply
6,878,555.31x = 10,317,876.93 × 2,020,841.94 - Step 4: Simplify right side
6,878,555.31x = 20,850,798,431,902.44 - Step 5: Solve for x
x = 20,850,798,431,902.44/6,878,555.31 - Step 6: Final answer
x = 3,031,275.83
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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.