Finding the Fourth Proportional to 1,383,996.24, 1,909,908.68 and 748,092.24
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Solution
The fourth proportional to 1,383,996.24, 1,909,908.68 and 748,092.24 is: 1,032,363.98
Step by Step Solution
- Step 1: Write the proportion equation
1,383,996.24 : 1,909,908.68 = 748,092.24 : x - Step 2: Convert to fraction form
1,383,996.24/1,909,908.68 = 748,092.24/x - Step 3: Cross multiply
1,383,996.24x = 1,909,908.68 × 748,092.24 - Step 4: Simplify right side
1,383,996.24x = 1,428,787,862,616.64 - Step 5: Solve for x
x = 1,428,787,862,616.64/1,383,996.24 - Step 6: Final answer
x = 1,032,363.98
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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.