Finding the Fourth Proportional to 1,631,407.77, 2,251,280.10 and 906,301.08
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Solution
The fourth proportional to 1,631,407.77, 2,251,280.10 and 906,301.08 is: 1,250,660.70
Step by Step Solution
- Step 1: Write the proportion equation
1,631,407.77 : 2,251,280.10 = 906,301.08 : x - Step 2: Convert to fraction form
1,631,407.77/2,251,280.10 = 906,301.08/x - Step 3: Cross multiply
1,631,407.77x = 2,251,280.10 × 906,301.08 - Step 4: Simplify right side
1,631,407.77x = 2,040,337,586,012.51 - Step 5: Solve for x
x = 2,040,337,586,012.51/1,631,407.77 - Step 6: Final answer
x = 1,250,660.70
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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.