Finding the Fourth Proportional to 2,447,988.92, 3,378,157.58 and 1,360,232.58
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Solution
The fourth proportional to 2,447,988.92, 3,378,157.58 and 1,360,232.58 is: 1,877,083.66
Step by Step Solution
- Step 1: Write the proportion equation
2,447,988.92 : 3,378,157.58 = 1,360,232.58 : x - Step 2: Convert to fraction form
2,447,988.92/3,378,157.58 = 1,360,232.58/x - Step 3: Cross multiply
2,447,988.92x = 3,378,157.58 × 1,360,232.58 - Step 4: Simplify right side
2,447,988.92x = 4,595,080,000,689.96 - Step 5: Solve for x
x = 4,595,080,000,689.96/2,447,988.92 - Step 6: Final answer
x = 1,877,083.66
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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.