Finding the Fourth Proportional to 6,919,203.66, 10,374,790.11 and 3,275,902.95
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Solution
The fourth proportional to 6,919,203.66, 10,374,790.11 and 3,275,902.95 is: 4,911,953.33
Step by Step Solution
- Step 1: Write the proportion equation
6,919,203.66 : 10,374,790.11 = 3,275,902.95 : x - Step 2: Convert to fraction form
6,919,203.66/10,374,790.11 = 3,275,902.95/x - Step 3: Cross multiply
6,919,203.66x = 10,374,790.11 × 3,275,902.95 - Step 4: Simplify right side
6,919,203.66x = 33,986,805,475,105.87 - Step 5: Solve for x
x = 33,986,805,475,105.87/6,919,203.66 - Step 6: Final answer
x = 4,911,953.33
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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.