Finding the Fourth Proportional to 1,990,512.62, 2,985,776.63 and 605,660.07
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Solution
The fourth proportional to 1,990,512.62, 2,985,776.63 and 605,660.07 is: 908,492.45
Step by Step Solution
- Step 1: Write the proportion equation
1,990,512.62 : 2,985,776.63 = 605,660.07 : x - Step 2: Convert to fraction form
1,990,512.62/2,985,776.63 = 605,660.07/x - Step 3: Cross multiply
1,990,512.62x = 2,985,776.63 × 605,660.07 - Step 4: Simplify right side
1,990,512.62x = 1,808,365,679,701.86 - Step 5: Solve for x
x = 1,808,365,679,701.86/1,990,512.62 - Step 6: Final answer
x = 908,492.45
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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.