Finding the Fourth Proportional to 1,977,853.24, 2,729,491.14 and 1,118,542
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Solution
The fourth proportional to 1,977,853.24, 2,729,491.14 and 1,118,542 is: 1,543,618.31
Step by Step Solution
- Step 1: Write the proportion equation
1,977,853.24 : 2,729,491.14 = 1,118,542 : x - Step 2: Convert to fraction form
1,977,853.24/2,729,491.14 = 1,118,542/x - Step 3: Cross multiply
1,977,853.24x = 2,729,491.14 × 1,118,542 - Step 4: Simplify right side
1,977,853.24x = 3,053,050,478,717.88 - Step 5: Solve for x
x = 3,053,050,478,717.88/1,977,853.24 - Step 6: Final answer
x = 1,543,618.31
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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.