Finding the Fourth Proportional to 2,786,102.18, 3,844,865.04 and 1,562,679.80
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Solution
The fourth proportional to 2,786,102.18, 3,844,865.04 and 1,562,679.80 is: 2,156,522.82
Step by Step Solution
- Step 1: Write the proportion equation
2,786,102.18 : 3,844,865.04 = 1,562,679.80 : x - Step 2: Convert to fraction form
2,786,102.18/3,844,865.04 = 1,562,679.80/x - Step 3: Cross multiply
2,786,102.18x = 3,844,865.04 × 1,562,679.80 - Step 4: Simplify right side
2,786,102.18x = 6,008,292,931,734.19 - Step 5: Solve for x
x = 6,008,292,931,734.19/2,786,102.18 - Step 6: Final answer
x = 2,156,522.82
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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.