Finding the Fourth Proportional to 2,945,122.70, 4,417,684.05 and 2,385,250.70
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Solution
The fourth proportional to 2,945,122.70, 4,417,684.05 and 2,385,250.70 is: 3,577,876.05
Step by Step Solution
- Step 1: Write the proportion equation
2,945,122.70 : 4,417,684.05 = 2,385,250.70 : x - Step 2: Convert to fraction form
2,945,122.70/4,417,684.05 = 2,385,250.70/x - Step 3: Cross multiply
2,945,122.70x = 4,417,684.05 × 2,385,250.70 - Step 4: Simplify right side
2,945,122.70x = 10,537,283,972,641.34 - Step 5: Solve for x
x = 10,537,283,972,641.34/2,945,122.70 - Step 6: Final answer
x = 3,577,876.05
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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.