Finding the Fourth Proportional to 2,086,816.16, 3,133,402.68 and 1,984,058.22
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Solution
The fourth proportional to 2,086,816.16, 3,133,402.68 and 1,984,058.22 is: 2,979,109.26
Step by Step Solution
- Step 1: Write the proportion equation
2,086,816.16 : 3,133,402.68 = 1,984,058.22 : x - Step 2: Convert to fraction form
2,086,816.16/3,133,402.68 = 1,984,058.22/x - Step 3: Cross multiply
2,086,816.16x = 3,133,402.68 × 1,984,058.22 - Step 4: Simplify right side
2,086,816.16x = 6,216,853,343,824.03 - Step 5: Solve for x
x = 6,216,853,343,824.03/2,086,816.16 - Step 6: Final answer
x = 2,979,109.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.