Finding the Fourth Proportional to 2,292,553.70, 3,438,830.55 and 1,977,625.70
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Solution
The fourth proportional to 2,292,553.70, 3,438,830.55 and 1,977,625.70 is: 2,966,438.55
Step by Step Solution
- Step 1: Write the proportion equation
2,292,553.70 : 3,438,830.55 = 1,977,625.70 : x - Step 2: Convert to fraction form
2,292,553.70/3,438,830.55 = 1,977,625.70/x - Step 3: Cross multiply
2,292,553.70x = 3,438,830.55 × 1,977,625.70 - Step 4: Simplify right side
2,292,553.70x = 6,800,719,673,625.14 - Step 5: Solve for x
x = 6,800,719,673,625.14/2,292,553.70 - Step 6: Final answer
x = 2,966,438.55
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1.5x scale
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.