Finding the Fourth Proportional to 2,490,720.71, 3,436,737.95 and 1,402,759.28
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Solution
The fourth proportional to 2,490,720.71, 3,436,737.95 and 1,402,759.28 is: 1,935,550.63
Step by Step Solution
- Step 1: Write the proportion equation
2,490,720.71 : 3,436,737.95 = 1,402,759.28 : x - Step 2: Convert to fraction form
2,490,720.71/3,436,737.95 = 1,402,759.28/x - Step 3: Cross multiply
2,490,720.71x = 3,436,737.95 × 1,402,759.28 - Step 4: Simplify right side
2,490,720.71x = 4,820,916,028,093.19 - Step 5: Solve for x
x = 4,820,916,028,093.19/2,490,720.71 - Step 6: Final answer
x = 1,935,550.63
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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.