Finding the Fourth Proportional to 4,656,618.78, 6,989,432.88 and 3,361,106.82
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Solution
The fourth proportional to 4,656,618.78, 6,989,432.88 and 3,361,106.82 is: 5,044,911.69
Step by Step Solution
- Step 1: Write the proportion equation
4,656,618.78 : 6,989,432.88 = 3,361,106.82 : x - Step 2: Convert to fraction form
4,656,618.78/6,989,432.88 = 3,361,106.82/x - Step 3: Cross multiply
4,656,618.78x = 6,989,432.88 × 3,361,106.82 - Step 4: Simplify right side
4,656,618.78x = 23,492,230,520,900.24 - Step 5: Solve for x
x = 23,492,230,520,900.24/4,656,618.78 - Step 6: Final answer
x = 5,044,911.69
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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.