Finding the Fourth Proportional to 1,545,218.10, 2,132,397.56 and 856,872.95
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Solution
The fourth proportional to 1,545,218.10, 2,132,397.56 and 856,872.95 is: 1,182,482.77
Step by Step Solution
- Step 1: Write the proportion equation
1,545,218.10 : 2,132,397.56 = 856,872.95 : x - Step 2: Convert to fraction form
1,545,218.10/2,132,397.56 = 856,872.95/x - Step 3: Cross multiply
1,545,218.10x = 2,132,397.56 × 856,872.95 - Step 4: Simplify right side
1,545,218.10x = 1,827,193,782,466.78 - Step 5: Solve for x
x = 1,827,193,782,466.78/1,545,218.10 - Step 6: Final answer
x = 1,182,482.77
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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.