Finding the Fourth Proportional to 4,238,135.55, 6,353,358.46 and 1,540,555.49
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Solution
The fourth proportional to 4,238,135.55, 6,353,358.46 and 1,540,555.49 is: 2,309,435.64
Step by Step Solution
- Step 1: Write the proportion equation
4,238,135.55 : 6,353,358.46 = 1,540,555.49 : x - Step 2: Convert to fraction form
4,238,135.55/6,353,358.46 = 1,540,555.49/x - Step 3: Cross multiply
4,238,135.55x = 6,353,358.46 × 1,540,555.49 - Step 4: Simplify right side
4,238,135.55x = 9,787,701,267,522.95 - Step 5: Solve for x
x = 9,787,701,267,522.95/4,238,135.55 - Step 6: Final answer
x = 2,309,435.64
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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.