Finding the Fourth Proportional to 1,471,972.20, 2,207,302.20 and 573,115.20
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Solution
The fourth proportional to 1,471,972.20, 2,207,302.20 and 573,115.20 is: 859,417.35
Step by Step Solution
- Step 1: Write the proportion equation
1,471,972.20 : 2,207,302.20 = 573,115.20 : x - Step 2: Convert to fraction form
1,471,972.20/2,207,302.20 = 573,115.20/x - Step 3: Cross multiply
1,471,972.20x = 2,207,302.20 × 573,115.20 - Step 4: Simplify right side
1,471,972.20x = 1,265,038,441,813.44 - Step 5: Solve for x
x = 1,265,038,441,813.44/1,471,972.20 - Step 6: Final answer
x = 859,417.35
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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.