Finding the Fourth Proportional to 2,113,325.11, 2,916,388.67 and 1,207,926.55
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Solution
The fourth proportional to 2,113,325.11, 2,916,388.67 and 1,207,926.55 is: 1,666,938.65
Step by Step Solution
- Step 1: Write the proportion equation
2,113,325.11 : 2,916,388.67 = 1,207,926.55 : x - Step 2: Convert to fraction form
2,113,325.11/2,916,388.67 = 1,207,926.55/x - Step 3: Cross multiply
2,113,325.11x = 2,916,388.67 × 1,207,926.55 - Step 4: Simplify right side
2,113,325.11x = 3,522,783,304,612.19 - Step 5: Solve for x
x = 3,522,783,304,612.19/2,113,325.11 - Step 6: Final answer
x = 1,666,938.65
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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.