Finding the Fourth Proportional to 1,588,747.20, 2,381,565.60 and 640,852.80
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Solution
The fourth proportional to 1,588,747.20, 2,381,565.60 and 640,852.80 is: 960,651.88
Step by Step Solution
- Step 1: Write the proportion equation
1,588,747.20 : 2,381,565.60 = 640,852.80 : x - Step 2: Convert to fraction form
1,588,747.20/2,381,565.60 = 640,852.80/x - Step 3: Cross multiply
1,588,747.20x = 2,381,565.60 × 640,852.80 - Step 4: Simplify right side
1,588,747.20x = 1,526,232,983,143.68 - Step 5: Solve for x
x = 1,526,232,983,143.68/1,588,747.20 - Step 6: Final answer
x = 960,651.88
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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.