Finding the Fourth Proportional to 2,481,574.68, 3,423,700.98 and 1,622,637.72
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Solution
The fourth proportional to 2,481,574.68, 3,423,700.98 and 1,622,637.72 is: 2,238,669.82
Step by Step Solution
- Step 1: Write the proportion equation
2,481,574.68 : 3,423,700.98 = 1,622,637.72 : x - Step 2: Convert to fraction form
2,481,574.68/3,423,700.98 = 1,622,637.72/x - Step 3: Cross multiply
2,481,574.68x = 3,423,700.98 × 1,622,637.72 - Step 4: Simplify right side
2,481,574.68x = 5,555,426,352,148.97 - Step 5: Solve for x
x = 5,555,426,352,148.97/2,481,574.68 - Step 6: Final answer
x = 2,238,669.82
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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.