Finding the Fourth Proportional to 5,488,497.60, 8,227,432.80 and 2,454,146.88
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Solution
The fourth proportional to 5,488,497.60, 8,227,432.80 and 2,454,146.88 is: 3,678,844.38
Step by Step Solution
- Step 1: Write the proportion equation
5,488,497.60 : 8,227,432.80 = 2,454,146.88 : x - Step 2: Convert to fraction form
5,488,497.60/8,227,432.80 = 2,454,146.88/x - Step 3: Cross multiply
5,488,497.60x = 8,227,432.80 × 2,454,146.88 - Step 4: Simplify right side
5,488,497.60x = 20,191,328,536,529.66 - Step 5: Solve for x
x = 20,191,328,536,529.66/5,488,497.60 - Step 6: Final answer
x = 3,678,844.38
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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.