Finding the Fourth Proportional to 1,618,319.36, 2,233,285.37 and 883,280.37
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Solution
The fourth proportional to 1,618,319.36, 2,233,285.37 and 883,280.37 is: 1,218,929.45
Step by Step Solution
- Step 1: Write the proportion equation
1,618,319.36 : 2,233,285.37 = 883,280.37 : x - Step 2: Convert to fraction form
1,618,319.36/2,233,285.37 = 883,280.37/x - Step 3: Cross multiply
1,618,319.36x = 2,233,285.37 × 883,280.37 - Step 4: Simplify right side
1,618,319.36x = 1,972,617,133,887.24 - Step 5: Solve for x
x = 1,972,617,133,887.24/1,618,319.36 - Step 6: Final answer
x = 1,218,929.45
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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.