Finding the Fourth Proportional to 2,938,963.68, 4,055,767.92 and 1,649,806.56
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Solution
The fourth proportional to 2,938,963.68, 4,055,767.92 and 1,649,806.56 is: 2,276,731.95
Step by Step Solution
- Step 1: Write the proportion equation
2,938,963.68 : 4,055,767.92 = 1,649,806.56 : x - Step 2: Convert to fraction form
2,938,963.68/4,055,767.92 = 1,649,806.56/x - Step 3: Cross multiply
2,938,963.68x = 4,055,767.92 × 1,649,806.56 - Step 4: Simplify right side
2,938,963.68x = 6,691,232,520,253.56 - Step 5: Solve for x
x = 6,691,232,520,253.56/2,938,963.68 - Step 6: Final answer
x = 2,276,731.95
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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.