Finding the Fourth Proportional to 1,605,299.73, 2,215,301.91 and 880,135.49
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Solution
The fourth proportional to 1,605,299.73, 2,215,301.91 and 880,135.49 is: 1,214,580.55
Step by Step Solution
- Step 1: Write the proportion equation
1,605,299.73 : 2,215,301.91 = 880,135.49 : x - Step 2: Convert to fraction form
1,605,299.73/2,215,301.91 = 880,135.49/x - Step 3: Cross multiply
1,605,299.73x = 2,215,301.91 × 880,135.49 - Step 4: Simplify right side
1,605,299.73x = 1,949,765,820,979.28 - Step 5: Solve for x
x = 1,949,765,820,979.28/1,605,299.73 - Step 6: Final answer
x = 1,214,580.55
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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.