Finding the Fourth Proportional to 4,679,769.21, 6,458,124.24 and 2,746,062.02
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Solution
The fourth proportional to 4,679,769.21, 6,458,124.24 and 2,746,062.02 is: 3,789,590.65
Step by Step Solution
- Step 1: Write the proportion equation
4,679,769.21 : 6,458,124.24 = 2,746,062.02 : x - Step 2: Convert to fraction form
4,679,769.21/6,458,124.24 = 2,746,062.02/x - Step 3: Cross multiply
4,679,769.21x = 6,458,124.24 × 2,746,062.02 - Step 4: Simplify right side
4,679,769.21x = 17,734,409,663,614.75 - Step 5: Solve for x
x = 17,734,409,663,614.75/4,679,769.21 - Step 6: Final answer
x = 3,789,590.65
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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.