Finding the Fourth Proportional to 2,113,119.36, 2,916,092.16 and 1,146,251.52
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Solution
The fourth proportional to 2,113,119.36, 2,916,092.16 and 1,146,251.52 is: 1,581,820.29
Step by Step Solution
- Step 1: Write the proportion equation
2,113,119.36 : 2,916,092.16 = 1,146,251.52 : x - Step 2: Convert to fraction form
2,113,119.36/2,916,092.16 = 1,146,251.52/x - Step 3: Cross multiply
2,113,119.36x = 2,916,092.16 × 1,146,251.52 - Step 4: Simplify right side
2,113,119.36x = 3,342,575,070,860.08 - Step 5: Solve for x
x = 3,342,575,070,860.08/2,113,119.36 - Step 6: Final answer
x = 1,581,820.29
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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.