Finding the Fourth Proportional to 1,657,162.24, 2,287,261.44 and 1,173,224.32
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Solution
The fourth proportional to 1,657,162.24, 2,287,261.44 and 1,173,224.32 is: 1,619,316.86
Step by Step Solution
- Step 1: Write the proportion equation
1,657,162.24 : 2,287,261.44 = 1,173,224.32 : x - Step 2: Convert to fraction form
1,657,162.24/2,287,261.44 = 1,173,224.32/x - Step 3: Cross multiply
1,657,162.24x = 2,287,261.44 × 1,173,224.32 - Step 4: Simplify right side
1,657,162.24x = 2,683,470,747,606.22 - Step 5: Solve for x
x = 2,683,470,747,606.22/1,657,162.24 - Step 6: Final answer
x = 1,619,316.86
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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.