Finding the Fourth Proportional to 2,957,088.18, 4,080,972.12 and 1,667,900.88
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Solution
The fourth proportional to 2,957,088.18, 4,080,972.12 and 1,667,900.88 is: 2,301,810.62
Step by Step Solution
- Step 1: Write the proportion equation
2,957,088.18 : 4,080,972.12 = 1,667,900.88 : x - Step 2: Convert to fraction form
2,957,088.18/4,080,972.12 = 1,667,900.88/x - Step 3: Cross multiply
2,957,088.18x = 4,080,972.12 × 1,667,900.88 - Step 4: Simplify right side
2,957,088.18x = 6,806,656,990,203.47 - Step 5: Solve for x
x = 6,806,656,990,203.47/2,957,088.18 - Step 6: Final answer
x = 2,301,810.62
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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.