Finding the Fourth Proportional to 2,687,998.79, 3,709,436.70 and 1,480,774.79
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Solution
The fourth proportional to 2,687,998.79, 3,709,436.70 and 1,480,774.79 is: 2,043,468.31
Step by Step Solution
- Step 1: Write the proportion equation
2,687,998.79 : 3,709,436.70 = 1,480,774.79 : x - Step 2: Convert to fraction form
2,687,998.79/3,709,436.70 = 1,480,774.79/x - Step 3: Cross multiply
2,687,998.79x = 3,709,436.70 × 1,480,774.79 - Step 4: Simplify right side
2,687,998.79x = 5,492,840,350,460.79 - Step 5: Solve for x
x = 5,492,840,350,460.79/2,687,998.79 - Step 6: Final answer
x = 2,043,468.31
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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.