Finding the Fourth Proportional to 5,409,718.88, 8,115,369.60 and 1,623,500.96
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Solution
The fourth proportional to 5,409,718.88, 8,115,369.60 and 1,623,500.96 is: 2,435,488.91
Step by Step Solution
- Step 1: Write the proportion equation
5,409,718.88 : 8,115,369.60 = 1,623,500.96 : x - Step 2: Convert to fraction form
5,409,718.88/8,115,369.60 = 1,623,500.96/x - Step 3: Cross multiply
5,409,718.88x = 8,115,369.60 × 1,623,500.96 - Step 4: Simplify right side
5,409,718.88x = 13,175,310,336,354.81 - Step 5: Solve for x
x = 13,175,310,336,354.81/5,409,718.88 - Step 6: Final answer
x = 2,435,488.91
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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.