Finding the Fourth Proportional to 3,358,769.13, 4,635,149.63 and 1,830,876.21
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Solution
The fourth proportional to 3,358,769.13, 4,635,149.63 and 1,830,876.21 is: 2,526,635.46
Step by Step Solution
- Step 1: Write the proportion equation
3,358,769.13 : 4,635,149.63 = 1,830,876.21 : x - Step 2: Convert to fraction form
3,358,769.13/4,635,149.63 = 1,830,876.21/x - Step 3: Cross multiply
3,358,769.13x = 4,635,149.63 × 1,830,876.21 - Step 4: Simplify right side
3,358,769.13x = 8,486,385,178,202.92 - Step 5: Solve for x
x = 8,486,385,178,202.92/3,358,769.13 - Step 6: Final answer
x = 2,526,635.46
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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.