Finding the Fourth Proportional to 2,704,599.74, 3,732,448.20 and 1,543,235.08
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Solution
The fourth proportional to 2,704,599.74, 3,732,448.20 and 1,543,235.08 is: 2,129,721.79
Step by Step Solution
- Step 1: Write the proportion equation
2,704,599.74 : 3,732,448.20 = 1,543,235.08 : x - Step 2: Convert to fraction form
2,704,599.74/3,732,448.20 = 1,543,235.08/x - Step 3: Cross multiply
2,704,599.74x = 3,732,448.20 × 1,543,235.08 - Step 4: Simplify right side
2,704,599.74x = 5,760,044,996,522.86 - Step 5: Solve for x
x = 5,760,044,996,522.86/2,704,599.74 - Step 6: Final answer
x = 2,129,721.79
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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.