Finding the Fourth Proportional to 3,161,775.68, 4,743,418.08 and 1,031,863.76
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Solution
The fourth proportional to 3,161,775.68, 4,743,418.08 and 1,031,863.76 is: 1,548,041.90
Step by Step Solution
- Step 1: Write the proportion equation
3,161,775.68 : 4,743,418.08 = 1,031,863.76 : x - Step 2: Convert to fraction form
3,161,775.68/4,743,418.08 = 1,031,863.76/x - Step 3: Cross multiply
3,161,775.68x = 4,743,418.08 × 1,031,863.76 - Step 4: Simplify right side
3,161,775.68x = 4,894,561,215,280.78 - Step 5: Solve for x
x = 4,894,561,215,280.78/3,161,775.68 - Step 6: Final answer
x = 1,548,041.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.