Finding the Fourth Proportional to 2,081,146.79, 2,871,994.08 and 1,163,414.61
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Solution
The fourth proportional to 2,081,146.79, 2,871,994.08 and 1,163,414.61 is: 1,605,518.60
Step by Step Solution
- Step 1: Write the proportion equation
2,081,146.79 : 2,871,994.08 = 1,163,414.61 : x - Step 2: Convert to fraction form
2,081,146.79/2,871,994.08 = 1,163,414.61/x - Step 3: Cross multiply
2,081,146.79x = 2,871,994.08 × 1,163,414.61 - Step 4: Simplify right side
2,081,146.79x = 3,341,319,876,868.31 - Step 5: Solve for x
x = 3,341,319,876,868.31/2,081,146.79 - Step 6: Final answer
x = 1,605,518.60
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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.