Finding the Fourth Proportional to 2,491,925.14, 3,438,858.07 and 1,346,005.49
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Solution
The fourth proportional to 2,491,925.14, 3,438,858.07 and 1,346,005.49 is: 1,857,488.32
Step by Step Solution
- Step 1: Write the proportion equation
2,491,925.14 : 3,438,858.07 = 1,346,005.49 : x - Step 2: Convert to fraction form
2,491,925.14/3,438,858.07 = 1,346,005.49/x - Step 3: Cross multiply
2,491,925.14x = 3,438,858.07 × 1,346,005.49 - Step 4: Simplify right side
2,491,925.14x = 4,628,721,841,550.80 - Step 5: Solve for x
x = 4,628,721,841,550.80/2,491,925.14 - Step 6: Final answer
x = 1,857,488.32
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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.