Finding the Fourth Proportional to 5,918,407.75, 8,167,402.70 and 3,202,153.75
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Solution
The fourth proportional to 5,918,407.75, 8,167,402.70 and 3,202,153.75 is: 4,418,972.18
Step by Step Solution
- Step 1: Write the proportion equation
5,918,407.75 : 8,167,402.70 = 3,202,153.75 : x - Step 2: Convert to fraction form
5,918,407.75/8,167,402.70 = 3,202,153.75/x - Step 3: Cross multiply
5,918,407.75x = 8,167,402.70 × 3,202,153.75 - Step 4: Simplify right side
5,918,407.75x = 26,153,279,183,565.12 - Step 5: Solve for x
x = 26,153,279,183,565.12/5,918,407.75 - Step 6: Final answer
x = 4,418,972.18
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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.