Finding the Fourth Proportional to 2,121,336.18, 2,927,451.51 and 1,154,478.06
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Solution
The fourth proportional to 2,121,336.18, 2,927,451.51 and 1,154,478.06 is: 1,593,183.85
Step by Step Solution
- Step 1: Write the proportion equation
2,121,336.18 : 2,927,451.51 = 1,154,478.06 : x - Step 2: Convert to fraction form
2,121,336.18/2,927,451.51 = 1,154,478.06/x - Step 3: Cross multiply
2,121,336.18x = 2,927,451.51 × 1,154,478.06 - Step 4: Simplify right side
2,121,336.18x = 3,379,678,540,008.87 - Step 5: Solve for x
x = 3,379,678,540,008.87/2,121,336.18 - Step 6: Final answer
x = 1,593,183.85
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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.