Finding the Fourth Proportional to 2,923,728.77, 4,386,340.65 and 1,126,129.79
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Solution
The fourth proportional to 2,923,728.77, 4,386,340.65 and 1,126,129.79 is: 1,689,482.59
Step by Step Solution
- Step 1: Write the proportion equation
2,923,728.77 : 4,386,340.65 = 1,126,129.79 : x - Step 2: Convert to fraction form
2,923,728.77/4,386,340.65 = 1,126,129.79/x - Step 3: Cross multiply
2,923,728.77x = 4,386,340.65 × 1,126,129.79 - Step 4: Simplify right side
2,923,728.77x = 4,939,588,853,121.26 - Step 5: Solve for x
x = 4,939,588,853,121.26/2,923,728.77 - Step 6: Final answer
x = 1,689,482.59
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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.