Finding the Fourth Proportional to 1,625,515.09, 2,243,247.21 and 927,782.00
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Solution
The fourth proportional to 1,625,515.09, 2,243,247.21 and 927,782.00 is: 1,280,359.93
Step by Step Solution
- Step 1: Write the proportion equation
1,625,515.09 : 2,243,247.21 = 927,782.00 : x - Step 2: Convert to fraction form
1,625,515.09/2,243,247.21 = 927,782.00/x - Step 3: Cross multiply
1,625,515.09x = 2,243,247.21 × 927,782.00 - Step 4: Simplify right side
1,625,515.09x = 2,081,244,380,184.16 - Step 5: Solve for x
x = 2,081,244,380,184.16/1,625,515.09 - Step 6: Final answer
x = 1,280,359.93
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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.