Finding the Fourth Proportional to 2,979,235.92, 4,112,189.46 and 1,756,252.56
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Solution
The fourth proportional to 2,979,235.92, 4,112,189.46 and 1,756,252.56 is: 2,424,126.00
Step by Step Solution
- Step 1: Write the proportion equation
2,979,235.92 : 4,112,189.46 = 1,756,252.56 : x - Step 2: Convert to fraction form
2,979,235.92/4,112,189.46 = 1,756,252.56/x - Step 3: Cross multiply
2,979,235.92x = 4,112,189.46 × 1,756,252.56 - Step 4: Simplify right side
2,979,235.92x = 7,222,043,266,330.02 - Step 5: Solve for x
x = 7,222,043,266,330.02/2,979,235.92 - Step 6: Final answer
x = 2,424,126.00
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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.