Finding the Fourth Proportional to 2,949,129.20, 4,069,538.82 and 1,642,282.49
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Solution
The fourth proportional to 2,949,129.20, 4,069,538.82 and 1,642,282.49 is: 2,266,205.34
Step by Step Solution
- Step 1: Write the proportion equation
2,949,129.20 : 4,069,538.82 = 1,642,282.49 : x - Step 2: Convert to fraction form
2,949,129.20/4,069,538.82 = 1,642,282.49/x - Step 3: Cross multiply
2,949,129.20x = 4,069,538.82 × 1,642,282.49 - Step 4: Simplify right side
2,949,129.20x = 6,683,332,356,635.11 - Step 5: Solve for x
x = 6,683,332,356,635.11/2,949,129.20 - Step 6: Final answer
x = 2,266,205.34
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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.