Finding the Fourth Proportional to 4,824,183.30, 6,660,488.50 and 2,990,601.08
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Solution
The fourth proportional to 4,824,183.30, 6,660,488.50 and 2,990,601.08 is: 4,128,960.88
Step by Step Solution
- Step 1: Write the proportion equation
4,824,183.30 : 6,660,488.50 = 2,990,601.08 : x - Step 2: Convert to fraction form
4,824,183.30/6,660,488.50 = 2,990,601.08/x - Step 3: Cross multiply
4,824,183.30x = 6,660,488.50 × 2,990,601.08 - Step 4: Simplify right side
4,824,183.30x = 19,918,864,101,427.58 - Step 5: Solve for x
x = 19,918,864,101,427.58/4,824,183.30 - Step 6: Final answer
x = 4,128,960.88
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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.