Finding the Fourth Proportional to 2,235,817.44, 3,085,331.28 and 1,217,225.76
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Solution
The fourth proportional to 2,235,817.44, 3,085,331.28 and 1,217,225.76 is: 1,679,718.86
Step by Step Solution
- Step 1: Write the proportion equation
2,235,817.44 : 3,085,331.28 = 1,217,225.76 : x - Step 2: Convert to fraction form
2,235,817.44/3,085,331.28 = 1,217,225.76/x - Step 3: Cross multiply
2,235,817.44x = 3,085,331.28 × 1,217,225.76 - Step 4: Simplify right side
2,235,817.44x = 3,755,544,712,149.77 - Step 5: Solve for x
x = 3,755,544,712,149.77/2,235,817.44 - Step 6: Final answer
x = 1,679,718.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.