Finding the Fourth Proportional to 2,177,967.44, 3,005,660.04 and 1,318,684.88
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Solution
The fourth proportional to 2,177,967.44, 3,005,660.04 and 1,318,684.88 is: 1,819,824.47
Step by Step Solution
- Step 1: Write the proportion equation
2,177,967.44 : 3,005,660.04 = 1,318,684.88 : x - Step 2: Convert to fraction form
2,177,967.44/3,005,660.04 = 1,318,684.88/x - Step 3: Cross multiply
2,177,967.44x = 3,005,660.04 × 1,318,684.88 - Step 4: Simplify right side
2,177,967.44x = 3,963,518,449,168.20 - Step 5: Solve for x
x = 3,963,518,449,168.20/2,177,967.44 - Step 6: Final answer
x = 1,819,824.47
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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.