Finding the Fourth Proportional to 1,977,853.74, 2,729,491.83 and 1,118,542.50
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Solution
The fourth proportional to 1,977,853.74, 2,729,491.83 and 1,118,542.50 is: 1,543,619.00
Step by Step Solution
- Step 1: Write the proportion equation
1,977,853.74 : 2,729,491.83 = 1,118,542.50 : x - Step 2: Convert to fraction form
1,977,853.74/2,729,491.83 = 1,118,542.50/x - Step 3: Cross multiply
1,977,853.74x = 2,729,491.83 × 1,118,542.50 - Step 4: Simplify right side
1,977,853.74x = 3,053,052,615,257.78 - Step 5: Solve for x
x = 3,053,052,615,257.78/1,977,853.74 - Step 6: Final answer
x = 1,543,619.00
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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.