Finding the Fourth Proportional to 2,093,948.78, 2,889,719.49 and 1,163,695.74
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Solution
The fourth proportional to 2,093,948.78, 2,889,719.49 and 1,163,695.74 is: 1,605,939.12
Step by Step Solution
- Step 1: Write the proportion equation
2,093,948.78 : 2,889,719.49 = 1,163,695.74 : x - Step 2: Convert to fraction form
2,093,948.78/2,889,719.49 = 1,163,695.74/x - Step 3: Cross multiply
2,093,948.78x = 2,889,719.49 × 1,163,695.74 - Step 4: Simplify right side
2,093,948.78x = 3,362,754,254,489.49 - Step 5: Solve for x
x = 3,362,754,254,489.49/2,093,948.78 - Step 6: Final answer
x = 1,605,939.12
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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.