Finding the Fourth Proportional to 6,258,271.28, 8,634,934.36 and 3,542,017.20
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Solution
The fourth proportional to 6,258,271.28, 8,634,934.36 and 3,542,017.20 is: 4,887,146.09
Step by Step Solution
- Step 1: Write the proportion equation
6,258,271.28 : 8,634,934.36 = 3,542,017.20 : x - Step 2: Convert to fraction form
6,258,271.28/8,634,934.36 = 3,542,017.20/x - Step 3: Cross multiply
6,258,271.28x = 8,634,934.36 × 3,542,017.20 - Step 4: Simplify right side
6,258,271.28x = 30,585,086,023,990.99 - Step 5: Solve for x
x = 30,585,086,023,990.99/6,258,271.28 - Step 6: Final answer
x = 4,887,146.09
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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.