Finding the Fourth Proportional to 1,577,134.50, 2,176,447.53 and 851,982.18
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Solution
The fourth proportional to 1,577,134.50, 2,176,447.53 and 851,982.18 is: 1,175,736.45
Step by Step Solution
- Step 1: Write the proportion equation
1,577,134.50 : 2,176,447.53 = 851,982.18 : x - Step 2: Convert to fraction form
1,577,134.50/2,176,447.53 = 851,982.18/x - Step 3: Cross multiply
1,577,134.50x = 2,176,447.53 × 851,982.18 - Step 4: Simplify right side
1,577,134.50x = 1,854,294,511,265.02 - Step 5: Solve for x
x = 1,854,294,511,265.02/1,577,134.50 - Step 6: Final answer
x = 1,175,736.45
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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.