Finding the Fourth Proportional to 4,328,474.40, 6,491,180.70 and 1,487,925.90
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Solution
The fourth proportional to 4,328,474.40, 6,491,180.70 and 1,487,925.90 is: 2,231,362.60
Step by Step Solution
- Step 1: Write the proportion equation
4,328,474.40 : 6,491,180.70 = 1,487,925.90 : x - Step 2: Convert to fraction form
4,328,474.40/6,491,180.70 = 1,487,925.90/x - Step 3: Cross multiply
4,328,474.40x = 6,491,180.70 × 1,487,925.90 - Step 4: Simplify right side
4,328,474.40x = 9,658,395,885,110.13 - Step 5: Solve for x
x = 9,658,395,885,110.13/4,328,474.40 - Step 6: Final answer
x = 2,231,362.60
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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.