Finding the Fourth Proportional to 4,659,297.36, 6,428,766.60 and 2,621,363.28
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Solution
The fourth proportional to 4,659,297.36, 6,428,766.60 and 2,621,363.28 is: 3,616,882.85
Step by Step Solution
- Step 1: Write the proportion equation
4,659,297.36 : 6,428,766.60 = 2,621,363.28 : x - Step 2: Convert to fraction form
4,659,297.36/6,428,766.60 = 2,621,363.28/x - Step 3: Cross multiply
4,659,297.36x = 6,428,766.60 × 2,621,363.28 - Step 4: Simplify right side
4,659,297.36x = 16,852,132,700,930.45 - Step 5: Solve for x
x = 16,852,132,700,930.45/4,659,297.36 - Step 6: Final answer
x = 3,616,882.85
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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.