Finding the Fourth Proportional to 1,556,564.70, 2,334,847.05 and 609,620.70
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Solution
The fourth proportional to 1,556,564.70, 2,334,847.05 and 609,620.70 is: 914,431.05
Step by Step Solution
- Step 1: Write the proportion equation
1,556,564.70 : 2,334,847.05 = 609,620.70 : x - Step 2: Convert to fraction form
1,556,564.70/2,334,847.05 = 609,620.70/x - Step 3: Cross multiply
1,556,564.70x = 2,334,847.05 × 609,620.70 - Step 4: Simplify right side
1,556,564.70x = 1,423,371,093,013.93 - Step 5: Solve for x
x = 1,423,371,093,013.93/1,556,564.70 - Step 6: Final answer
x = 914,431.05
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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.