Finding the Fourth Proportional to 2,963,932.38, 4,090,225.88 and 1,605,805.38
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Solution
The fourth proportional to 2,963,932.38, 4,090,225.88 and 1,605,805.38 is: 2,216,010.99
Step by Step Solution
- Step 1: Write the proportion equation
2,963,932.38 : 4,090,225.88 = 1,605,805.38 : x - Step 2: Convert to fraction form
2,963,932.38/4,090,225.88 = 1,605,805.38/x - Step 3: Cross multiply
2,963,932.38x = 4,090,225.88 × 1,605,805.38 - Step 4: Simplify right side
2,963,932.38x = 6,568,106,723,519.23 - Step 5: Solve for x
x = 6,568,106,723,519.23/2,963,932.38 - Step 6: Final answer
x = 2,216,010.99
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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.