Finding the Fourth Proportional to 5,324,818.27, 7,348,248.84 and 2,877,430.42
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Solution
The fourth proportional to 5,324,818.27, 7,348,248.84 and 2,877,430.42 is: 3,970,853.78
Step by Step Solution
- Step 1: Write the proportion equation
5,324,818.27 : 7,348,248.84 = 2,877,430.42 : x - Step 2: Convert to fraction form
5,324,818.27/7,348,248.84 = 2,877,430.42/x - Step 3: Cross multiply
5,324,818.27x = 7,348,248.84 × 2,877,430.42 - Step 4: Simplify right side
5,324,818.27x = 21,144,074,745,945.71 - Step 5: Solve for x
x = 21,144,074,745,945.71/5,324,818.27 - Step 6: Final answer
x = 3,970,853.78
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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.