Finding the Fourth Proportional to 2,266,995.60, 3,123,132.67 and 1,577,481.68
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Solution
The fourth proportional to 2,266,995.60, 3,123,132.67 and 1,577,481.68 is: 2,173,221.94
Step by Step Solution
- Step 1: Write the proportion equation
2,266,995.60 : 3,123,132.67 = 1,577,481.68 : x - Step 2: Convert to fraction form
2,266,995.60/3,123,132.67 = 1,577,481.68/x - Step 3: Cross multiply
2,266,995.60x = 3,123,132.67 × 1,577,481.68 - Step 4: Simplify right side
2,266,995.60x = 4,926,684,571,134.49 - Step 5: Solve for x
x = 4,926,684,571,134.49/2,266,995.60 - Step 6: Final answer
x = 2,173,221.94
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1.5x scale
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.