Finding the Fourth Proportional to 4,439,756.18, 6,126,863.55 and 2,402,565.70
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Solution
The fourth proportional to 4,439,756.18, 6,126,863.55 and 2,402,565.70 is: 3,315,540.68
Step by Step Solution
- Step 1: Write the proportion equation
4,439,756.18 : 6,126,863.55 = 2,402,565.70 : x - Step 2: Convert to fraction form
4,439,756.18/6,126,863.55 = 2,402,565.70/x - Step 3: Cross multiply
4,439,756.18x = 6,126,863.55 × 2,402,565.70 - Step 4: Simplify right side
4,439,756.18x = 14,720,192,213,810.24 - Step 5: Solve for x
x = 14,720,192,213,810.24/4,439,756.18 - Step 6: Final answer
x = 3,315,540.68
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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.