Finding the Fourth Proportional to 1,607,491.87, 2,220,179.87 and 1,058,660.98
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Solution
The fourth proportional to 1,607,491.87, 2,220,179.87 and 1,058,660.98 is: 1,462,164.66
Step by Step Solution
- Step 1: Write the proportion equation
1,607,491.87 : 2,220,179.87 = 1,058,660.98 : x - Step 2: Convert to fraction form
1,607,491.87/2,220,179.87 = 1,058,660.98/x - Step 3: Cross multiply
1,607,491.87x = 2,220,179.87 × 1,058,660.98 - Step 4: Simplify right side
1,607,491.87x = 2,350,417,794,046.68 - Step 5: Solve for x
x = 2,350,417,794,046.68/1,607,491.87 - Step 6: Final answer
x = 1,462,164.66
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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.