Finding the Fourth Proportional to 2,912,111.80, 4,368,167.70 and 1,491,695.80
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Solution
The fourth proportional to 2,912,111.80, 4,368,167.70 and 1,491,695.80 is: 2,237,543.70
Step by Step Solution
- Step 1: Write the proportion equation
2,912,111.80 : 4,368,167.70 = 1,491,695.80 : x - Step 2: Convert to fraction form
2,912,111.80/4,368,167.70 = 1,491,695.80/x - Step 3: Cross multiply
2,912,111.80x = 4,368,167.70 × 1,491,695.80 - Step 4: Simplify right side
2,912,111.80x = 6,515,977,411,785.66 - Step 5: Solve for x
x = 6,515,977,411,785.66/2,912,111.80 - Step 6: Final answer
x = 2,237,543.70
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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.