Finding the Fourth Proportional to 2,421,449.68, 3,341,600.40 and 1,403,444.92
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Solution
The fourth proportional to 2,421,449.68, 3,341,600.40 and 1,403,444.92 is: 1,936,753.90
Step by Step Solution
- Step 1: Write the proportion equation
2,421,449.68 : 3,341,600.40 = 1,403,444.92 : x - Step 2: Convert to fraction form
2,421,449.68/3,341,600.40 = 1,403,444.92/x - Step 3: Cross multiply
2,421,449.68x = 3,341,600.40 × 1,403,444.92 - Step 4: Simplify right side
2,421,449.68x = 4,689,752,106,049.97 - Step 5: Solve for x
x = 4,689,752,106,049.97/2,421,449.68 - Step 6: Final answer
x = 1,936,753.90
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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.