Finding the Fourth Proportional to 2,187,615.70, 3,281,423.55 and 1,656,174.70
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Solution
The fourth proportional to 2,187,615.70, 3,281,423.55 and 1,656,174.70 is: 2,484,262.05
Step by Step Solution
- Step 1: Write the proportion equation
2,187,615.70 : 3,281,423.55 = 1,656,174.70 : x - Step 2: Convert to fraction form
2,187,615.70/3,281,423.55 = 1,656,174.70/x - Step 3: Cross multiply
2,187,615.70x = 3,281,423.55 × 1,656,174.70 - Step 4: Simplify right side
2,187,615.70x = 5,434,610,663,494.18 - Step 5: Solve for x
x = 5,434,610,663,494.18/2,187,615.70 - Step 6: Final answer
x = 2,484,262.05
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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.