Finding the Fourth Proportional to 2,571,333.79, 3,857,123.70 and 2,121,220.03
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Solution
The fourth proportional to 2,571,333.79, 3,857,123.70 and 2,121,220.03 is: 3,181,931.53
Step by Step Solution
- Step 1: Write the proportion equation
2,571,333.79 : 3,857,123.70 = 2,121,220.03 : x - Step 2: Convert to fraction form
2,571,333.79/3,857,123.70 = 2,121,220.03/x - Step 3: Cross multiply
2,571,333.79x = 3,857,123.70 × 2,121,220.03 - Step 4: Simplify right side
2,571,333.79x = 8,181,808,050,627.71 - Step 5: Solve for x
x = 8,181,808,050,627.71/2,571,333.79 - Step 6: Final answer
x = 3,181,931.53
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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.