Finding the Fourth Proportional to 2,177,293.68, 3,005,037.36 and 1,402,706.88
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Solution
The fourth proportional to 2,177,293.68, 3,005,037.36 and 1,402,706.88 is: 1,935,975.21
Step by Step Solution
- Step 1: Write the proportion equation
2,177,293.68 : 3,005,037.36 = 1,402,706.88 : x - Step 2: Convert to fraction form
2,177,293.68/3,005,037.36 = 1,402,706.88/x - Step 3: Cross multiply
2,177,293.68x = 3,005,037.36 × 1,402,706.88 - Step 4: Simplify right side
2,177,293.68x = 4,215,186,579,529.04 - Step 5: Solve for x
x = 4,215,186,579,529.04/2,177,293.68 - Step 6: Final answer
x = 1,935,975.21
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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.