Finding the Fourth Proportional to 1,851,402.70, 2,777,104.05 and 521,706.70
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Solution
The fourth proportional to 1,851,402.70, 2,777,104.05 and 521,706.70 is: 782,560.05
Step by Step Solution
- Step 1: Write the proportion equation
1,851,402.70 : 2,777,104.05 = 521,706.70 : x - Step 2: Convert to fraction form
1,851,402.70/2,777,104.05 = 521,706.70/x - Step 3: Cross multiply
1,851,402.70x = 2,777,104.05 × 521,706.70 - Step 4: Simplify right side
1,851,402.70x = 1,448,833,789,482.14 - Step 5: Solve for x
x = 1,448,833,789,482.14/1,851,402.70 - Step 6: Final answer
x = 782,560.05
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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.