Finding the Fourth Proportional to 2,167,574.92, 3,238,178.87 and 1,403,189.26
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Solution
The fourth proportional to 2,167,574.92, 3,238,178.87 and 1,403,189.26 is: 2,096,249.49
Step by Step Solution
- Step 1: Write the proportion equation
2,167,574.92 : 3,238,178.87 = 1,403,189.26 : x - Step 2: Convert to fraction form
2,167,574.92/3,238,178.87 = 1,403,189.26/x - Step 3: Cross multiply
2,167,574.92x = 3,238,178.87 × 1,403,189.26 - Step 4: Simplify right side
2,167,574.92x = 4,543,777,812,342.94 - Step 5: Solve for x
x = 4,543,777,812,342.94/2,167,574.92 - Step 6: Final answer
x = 2,096,249.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.