Finding the Fourth Proportional to 4,990,159.96, 6,886,415.92 and 2,698,315.18
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Solution
The fourth proportional to 4,990,159.96, 6,886,415.92 and 2,698,315.18 is: 3,723,672.34
Step by Step Solution
- Step 1: Write the proportion equation
4,990,159.96 : 6,886,415.92 = 2,698,315.18 : x - Step 2: Convert to fraction form
4,990,159.96/6,886,415.92 = 2,698,315.18/x - Step 3: Cross multiply
4,990,159.96x = 6,886,415.92 × 2,698,315.18 - Step 4: Simplify right side
4,990,159.96x = 18,581,720,593,827.18 - Step 5: Solve for x
x = 18,581,720,593,827.18/4,990,159.96 - Step 6: Final answer
x = 3,723,672.34
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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.