Finding the Fourth Proportional to 6,351,449.44, 8,766,386.04 and 3,906,164.20
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Solution
The fourth proportional to 6,351,449.44, 8,766,386.04 and 3,906,164.20 is: 5,391,358.88
Step by Step Solution
- Step 1: Write the proportion equation
6,351,449.44 : 8,766,386.04 = 3,906,164.20 : x - Step 2: Convert to fraction form
6,351,449.44/8,766,386.04 = 3,906,164.20/x - Step 3: Cross multiply
6,351,449.44x = 8,766,386.04 × 3,906,164.20 - Step 4: Simplify right side
6,351,449.44x = 34,242,943,312,827.77 - Step 5: Solve for x
x = 34,242,943,312,827.77/6,351,449.44 - Step 6: Final answer
x = 5,391,358.88
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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.