Finding the Fourth Proportional to 2,187,585.48, 3,281,706.41 and 767,391.42
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Solution
The fourth proportional to 2,187,585.48, 3,281,706.41 and 767,391.42 is: 1,151,202.26
Step by Step Solution
- Step 1: Write the proportion equation
2,187,585.48 : 3,281,706.41 = 767,391.42 : x - Step 2: Convert to fraction form
2,187,585.48/3,281,706.41 = 767,391.42/x - Step 3: Cross multiply
2,187,585.48x = 3,281,706.41 × 767,391.42 - Step 4: Simplify right side
2,187,585.48x = 2,518,353,341,993.00 - Step 5: Solve for x
x = 2,518,353,341,993.00/2,187,585.48 - Step 6: Final answer
x = 1,151,202.26
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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.