Finding the Fourth Proportional to 1,631,406.63, 2,251,264.74 and 906,298.58
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Solution
The fourth proportional to 1,631,406.63, 2,251,264.74 and 906,298.58 is: 1,250,649.59
Step by Step Solution
- Step 1: Write the proportion equation
1,631,406.63 : 2,251,264.74 = 906,298.58 : x - Step 2: Convert to fraction form
1,631,406.63/2,251,264.74 = 906,298.58/x - Step 3: Cross multiply
1,631,406.63x = 2,251,264.74 × 906,298.58 - Step 4: Simplify right side
1,631,406.63x = 2,040,318,025,809.75 - Step 5: Solve for x
x = 2,040,318,025,809.75/1,631,406.63 - Step 6: Final answer
x = 1,250,649.59
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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.