Finding the Fourth Proportional to 3,218,191.24, 4,441,132.10 and 1,767,916.20
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Solution
The fourth proportional to 3,218,191.24, 4,441,132.10 and 1,767,916.20 is: 2,439,739.84
Step by Step Solution
- Step 1: Write the proportion equation
3,218,191.24 : 4,441,132.10 = 1,767,916.20 : x - Step 2: Convert to fraction form
3,218,191.24/4,441,132.10 = 1,767,916.20/x - Step 3: Cross multiply
3,218,191.24x = 4,441,132.10 × 1,767,916.20 - Step 4: Simplify right side
3,218,191.24x = 7,851,549,385,930.02 - Step 5: Solve for x
x = 7,851,549,385,930.02/3,218,191.24 - Step 6: Final answer
x = 2,439,739.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.