Finding the Fourth Proportional to 2,943,517.14, 4,415,275.74 and 921,919.20
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Solution
The fourth proportional to 2,943,517.14, 4,415,275.74 and 921,919.20 is: 1,382,878.81
Step by Step Solution
- Step 1: Write the proportion equation
2,943,517.14 : 4,415,275.74 = 921,919.20 : x - Step 2: Convert to fraction form
2,943,517.14/4,415,275.74 = 921,919.20/x - Step 3: Cross multiply
2,943,517.14x = 4,415,275.74 × 921,919.20 - Step 4: Simplify right side
2,943,517.14x = 4,070,527,478,000.21 - Step 5: Solve for x
x = 4,070,527,478,000.21/2,943,517.14 - Step 6: Final answer
x = 1,382,878.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.