Finding the Fourth Proportional to 1,437,191.66, 2,149,316.66 and 1,278,202.22
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Solution
The fourth proportional to 1,437,191.66, 2,149,316.66 and 1,278,202.22 is: 1,911,548.34
Step by Step Solution
- Step 1: Write the proportion equation
1,437,191.66 : 2,149,316.66 = 1,278,202.22 : x - Step 2: Convert to fraction form
1,437,191.66/2,149,316.66 = 1,278,202.22/x - Step 3: Cross multiply
1,437,191.66x = 2,149,316.66 × 1,278,202.22 - Step 4: Simplify right side
1,437,191.66x = 2,747,261,326,294.99 - Step 5: Solve for x
x = 2,747,261,326,294.99/1,437,191.66 - Step 6: Final answer
x = 1,911,548.34
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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.