Finding the Fourth Proportional to 3,589,013.52, 4,952,701.80 and 1,979,381.52
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Solution
The fourth proportional to 3,589,013.52, 4,952,701.80 and 1,979,381.52 is: 2,731,471.02
Step by Step Solution
- Step 1: Write the proportion equation
3,589,013.52 : 4,952,701.80 = 1,979,381.52 : x - Step 2: Convert to fraction form
3,589,013.52/4,952,701.80 = 1,979,381.52/x - Step 3: Cross multiply
3,589,013.52x = 4,952,701.80 × 1,979,381.52 - Step 4: Simplify right side
3,589,013.52x = 9,803,286,416,990.74 - Step 5: Solve for x
x = 9,803,286,416,990.74/3,589,013.52 - Step 6: Final answer
x = 2,731,471.02
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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.