Finding the Fourth Proportional to 4,191,271.13, 6,286,965.01 and 1,199,455.13
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Solution
The fourth proportional to 4,191,271.13, 6,286,965.01 and 1,199,455.13 is: 1,799,199.38
Step by Step Solution
- Step 1: Write the proportion equation
4,191,271.13 : 6,286,965.01 = 1,199,455.13 : x - Step 2: Convert to fraction form
4,191,271.13/6,286,965.01 = 1,199,455.13/x - Step 3: Cross multiply
4,191,271.13x = 6,286,965.01 × 1,199,455.13 - Step 4: Simplify right side
4,191,271.13x = 7,540,932,398,941.54 - Step 5: Solve for x
x = 7,540,932,398,941.54/4,191,271.13 - Step 6: Final answer
x = 1,799,199.38
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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.