Finding the Fourth Proportional to 5,486,937.31, 8,230,406.88 and 2,290,319.71
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Solution
The fourth proportional to 5,486,937.31, 8,230,406.88 and 2,290,319.71 is: 3,435,479.95
Step by Step Solution
- Step 1: Write the proportion equation
5,486,937.31 : 8,230,406.88 = 2,290,319.71 : x - Step 2: Convert to fraction form
5,486,937.31/8,230,406.88 = 2,290,319.71/x - Step 3: Cross multiply
5,486,937.31x = 8,230,406.88 × 2,290,319.71 - Step 4: Simplify right side
5,486,937.31x = 18,850,263,098,583.61 - Step 5: Solve for x
x = 18,850,263,098,583.61/5,486,937.31 - Step 6: Final answer
x = 3,435,479.95
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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.