Finding the Fourth Proportional to 1,471,307.70, 2,206,961.55 and 761,553.30
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Solution
The fourth proportional to 1,471,307.70, 2,206,961.55 and 761,553.30 is: 1,142,329.95
Step by Step Solution
- Step 1: Write the proportion equation
1,471,307.70 : 2,206,961.55 = 761,553.30 : x - Step 2: Convert to fraction form
1,471,307.70/2,206,961.55 = 761,553.30/x - Step 3: Cross multiply
1,471,307.70x = 2,206,961.55 × 761,553.30 - Step 4: Simplify right side
1,471,307.70x = 1,680,718,851,375.62 - Step 5: Solve for x
x = 1,680,718,851,375.62/1,471,307.70 - Step 6: Final answer
x = 1,142,329.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.