Finding the Fourth Proportional to 4,439,769.30, 6,126,881.40 and 2,402,578.80
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Solution
The fourth proportional to 4,439,769.30, 6,126,881.40 and 2,402,578.80 is: 3,315,558.62
Step by Step Solution
- Step 1: Write the proportion equation
4,439,769.30 : 6,126,881.40 = 2,402,578.80 : x - Step 2: Convert to fraction form
4,439,769.30/6,126,881.40 = 2,402,578.80/x - Step 3: Cross multiply
4,439,769.30x = 6,126,881.40 × 2,402,578.80 - Step 4: Simplify right side
4,439,769.30x = 14,720,315,361,754.32 - Step 5: Solve for x
x = 14,720,315,361,754.32/4,439,769.30 - Step 6: Final answer
x = 3,315,558.62
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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.