Finding the Fourth Proportional to 5,375,432.20, 8,063,148.30 and 2,009,201.80
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Solution
The fourth proportional to 5,375,432.20, 8,063,148.30 and 2,009,201.80 is: 3,013,802.70
Step by Step Solution
- Step 1: Write the proportion equation
5,375,432.20 : 8,063,148.30 = 2,009,201.80 : x - Step 2: Convert to fraction form
5,375,432.20/8,063,148.30 = 2,009,201.80/x - Step 3: Cross multiply
5,375,432.20x = 8,063,148.30 × 2,009,201.80 - Step 4: Simplify right side
5,375,432.20x = 16,200,492,078,026.94 - Step 5: Solve for x
x = 16,200,492,078,026.94/5,375,432.20 - Step 6: Final answer
x = 3,013,802.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.