Finding the Fourth Proportional to 1,927,649.36, 2,660,224.74 and 1,163,553.68
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Solution
The fourth proportional to 1,927,649.36, 2,660,224.74 and 1,163,553.68 is: 1,605,745.50
Step by Step Solution
- Step 1: Write the proportion equation
1,927,649.36 : 2,660,224.74 = 1,163,553.68 : x - Step 2: Convert to fraction form
1,927,649.36/2,660,224.74 = 1,163,553.68/x - Step 3: Cross multiply
1,927,649.36x = 2,660,224.74 × 1,163,553.68 - Step 4: Simplify right side
1,927,649.36x = 3,095,314,285,854.04 - Step 5: Solve for x
x = 3,095,314,285,854.04/1,927,649.36 - Step 6: Final answer
x = 1,605,745.50
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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.