Finding the Fourth Proportional to 6,990,564.13, 10,486,219.84 and 2,198,627.01
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Solution
The fourth proportional to 6,990,564.13, 10,486,219.84 and 2,198,627.01 is: 3,298,058.03
Step by Step Solution
- Step 1: Write the proportion equation
6,990,564.13 : 10,486,219.84 = 2,198,627.01 : x - Step 2: Convert to fraction form
6,990,564.13/10,486,219.84 = 2,198,627.01/x - Step 3: Cross multiply
6,990,564.13x = 10,486,219.84 × 2,198,627.01 - Step 4: Simplify right side
6,990,564.13x = 23,055,286,167,525.31 - Step 5: Solve for x
x = 23,055,286,167,525.31/6,990,564.13 - Step 6: Final answer
x = 3,298,058.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.