Finding the Fourth Proportional to 4,648,775.19, 6,952,766.61 and 4,140,028.05
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Solution
The fourth proportional to 4,648,775.19, 6,952,766.61 and 4,140,028.05 is: 6,191,877.99
Step by Step Solution
- Step 1: Write the proportion equation
4,648,775.19 : 6,952,766.61 = 4,140,028.05 : x - Step 2: Convert to fraction form
4,648,775.19/6,952,766.61 = 4,140,028.05/x - Step 3: Cross multiply
4,648,775.19x = 6,952,766.61 × 4,140,028.05 - Step 4: Simplify right side
4,648,775.19x = 28,784,648,790,503.41 - Step 5: Solve for x
x = 28,784,648,790,503.41/4,648,775.19 - Step 6: Final answer
x = 6,191,877.99
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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.