Finding the Fourth Proportional to 3,181,180.74, 4,772,509.20 and 1,051,135.71
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Solution
The fourth proportional to 3,181,180.74, 4,772,509.20 and 1,051,135.71 is: 1,576,947.45
Step by Step Solution
- Step 1: Write the proportion equation
3,181,180.74 : 4,772,509.20 = 1,051,135.71 : x - Step 2: Convert to fraction form
3,181,180.74/4,772,509.20 = 1,051,135.71/x - Step 3: Cross multiply
3,181,180.74x = 4,772,509.20 × 1,051,135.71 - Step 4: Simplify right side
3,181,180.74x = 5,016,554,846,423.53 - Step 5: Solve for x
x = 5,016,554,846,423.53/3,181,180.74 - Step 6: Final answer
x = 1,576,947.45
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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.