Finding the Fourth Proportional to 2,490,721.71, 3,436,739.32 and 1,402,760.28
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Solution
The fourth proportional to 2,490,721.71, 3,436,739.32 and 1,402,760.28 is: 1,935,552.01
Step by Step Solution
- Step 1: Write the proportion equation
2,490,721.71 : 3,436,739.32 = 1,402,760.28 : x - Step 2: Convert to fraction form
2,490,721.71/3,436,739.32 = 1,402,760.28/x - Step 3: Cross multiply
2,490,721.71x = 3,436,739.32 × 1,402,760.28 - Step 4: Simplify right side
2,490,721.71x = 4,820,921,410,810.21 - Step 5: Solve for x
x = 4,820,921,410,810.21/2,490,721.71 - Step 6: Final answer
x = 1,935,552.01
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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.