Finding the Fourth Proportional to 1,368,824.18, 2,053,525.36 and 515,877.78
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Solution
The fourth proportional to 1,368,824.18, 2,053,525.36 and 515,877.78 is: 773,925.62
Step by Step Solution
- Step 1: Write the proportion equation
1,368,824.18 : 2,053,525.36 = 515,877.78 : x - Step 2: Convert to fraction form
1,368,824.18/2,053,525.36 = 515,877.78/x - Step 3: Cross multiply
1,368,824.18x = 2,053,525.36 × 515,877.78 - Step 4: Simplify right side
1,368,824.18x = 1,059,368,103,890.50 - Step 5: Solve for x
x = 1,059,368,103,890.50/1,368,824.18 - Step 6: Final answer
x = 773,925.62
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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.