Finding the Fourth Proportional to 2,758,324.10, 4,137,486.15 and 763,780.10
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Solution
The fourth proportional to 2,758,324.10, 4,137,486.15 and 763,780.10 is: 1,145,670.15
Step by Step Solution
- Step 1: Write the proportion equation
2,758,324.10 : 4,137,486.15 = 763,780.10 : x - Step 2: Convert to fraction form
2,758,324.10/4,137,486.15 = 763,780.10/x - Step 3: Cross multiply
2,758,324.10x = 4,137,486.15 × 763,780.10 - Step 4: Simplify right side
2,758,324.10x = 3,160,129,585,395.62 - Step 5: Solve for x
x = 3,160,129,585,395.62/2,758,324.10 - Step 6: Final answer
x = 1,145,670.15
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1.5x scale
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.