Finding the Fourth Proportional to 1,683,473.92, 2,323,090.56 and 919,372.48
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Solution
The fourth proportional to 1,683,473.92, 2,323,090.56 and 919,372.48 is: 1,268,677.53
Step by Step Solution
- Step 1: Write the proportion equation
1,683,473.92 : 2,323,090.56 = 919,372.48 : x - Step 2: Convert to fraction form
1,683,473.92/2,323,090.56 = 919,372.48/x - Step 3: Cross multiply
1,683,473.92x = 2,323,090.56 × 919,372.48 - Step 4: Simplify right side
1,683,473.92x = 2,135,785,529,411.79 - Step 5: Solve for x
x = 2,135,785,529,411.79/1,683,473.92 - Step 6: Final answer
x = 1,268,677.53
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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.