Finding the Fourth Proportional to 2,438,512.52, 3,642,937.41 and 1,578,578.65
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Solution
The fourth proportional to 2,438,512.52, 3,642,937.41 and 1,578,578.65 is: 2,358,266.84
Step by Step Solution
- Step 1: Write the proportion equation
2,438,512.52 : 3,642,937.41 = 1,578,578.65 : x - Step 2: Convert to fraction form
2,438,512.52/3,642,937.41 = 1,578,578.65/x - Step 3: Cross multiply
2,438,512.52x = 3,642,937.41 × 1,578,578.65 - Step 4: Simplify right side
2,438,512.52x = 5,750,663,218,712.30 - Step 5: Solve for x
x = 5,750,663,218,712.30/2,438,512.52 - Step 6: Final answer
x = 2,358,266.84
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.