Finding the Fourth Proportional to 3,541,768.74, 4,887,618.03 and 2,013,875.73
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Solution
The fourth proportional to 3,541,768.74, 4,887,618.03 and 2,013,875.73 is: 2,779,135.53
Step by Step Solution
- Step 1: Write the proportion equation
3,541,768.74 : 4,887,618.03 = 2,013,875.73 : x - Step 2: Convert to fraction form
3,541,768.74/4,887,618.03 = 2,013,875.73/x - Step 3: Cross multiply
3,541,768.74x = 4,887,618.03 × 2,013,875.73 - Step 4: Simplify right side
3,541,768.74x = 9,843,055,328,127.41 - Step 5: Solve for x
x = 9,843,055,328,127.41/3,541,768.74 - Step 6: Final answer
x = 2,779,135.53
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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.