Finding the Fourth Proportional to 2,603,235.10, 3,900,916.05 and 2,201,701.90
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Solution
The fourth proportional to 2,603,235.10, 3,900,916.05 and 2,201,701.90 is: 3,299,223.45
Step by Step Solution
- Step 1: Write the proportion equation
2,603,235.10 : 3,900,916.05 = 2,201,701.90 : x - Step 2: Convert to fraction form
2,603,235.10/3,900,916.05 = 2,201,701.90/x - Step 3: Cross multiply
2,603,235.10x = 3,900,916.05 × 2,201,701.90 - Step 4: Simplify right side
2,603,235.10x = 8,588,654,279,025.49 - Step 5: Solve for x
x = 8,588,654,279,025.49/2,603,235.10 - Step 6: Final answer
x = 3,299,223.45
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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.