Finding the Fourth Proportional to 2,769,639.48, 4,154,669.35 and 747,853.96
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Solution
The fourth proportional to 2,769,639.48, 4,154,669.35 and 747,853.96 is: 1,121,837.68
Step by Step Solution
- Step 1: Write the proportion equation
2,769,639.48 : 4,154,669.35 = 747,853.96 : x - Step 2: Convert to fraction form
2,769,639.48/4,154,669.35 = 747,853.96/x - Step 3: Cross multiply
2,769,639.48x = 4,154,669.35 × 747,853.96 - Step 4: Simplify right side
2,769,639.48x = 3,107,085,925,888.13 - Step 5: Solve for x
x = 3,107,085,925,888.13/2,769,639.48 - Step 6: Final answer
x = 1,121,837.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.