Finding the Fourth Proportional to 1,405,698.57, 1,938,414.06 and 1,202,422.41
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Solution
The fourth proportional to 1,405,698.57, 1,938,414.06 and 1,202,422.41 is: 1,658,102.64
Step by Step Solution
- Step 1: Write the proportion equation
1,405,698.57 : 1,938,414.06 = 1,202,422.41 : x - Step 2: Convert to fraction form
1,405,698.57/1,938,414.06 = 1,202,422.41/x - Step 3: Cross multiply
1,405,698.57x = 1,938,414.06 × 1,202,422.41 - Step 4: Simplify right side
1,405,698.57x = 2,330,792,505,603.08 - Step 5: Solve for x
x = 2,330,792,505,603.08/1,405,698.57 - Step 6: Final answer
x = 1,658,102.64
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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.