Finding the Fourth Proportional to 1,643,716.08, 2,465,575.02 and 1,078,671.83
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Solution
The fourth proportional to 1,643,716.08, 2,465,575.02 and 1,078,671.83 is: 1,618,008.33
Step by Step Solution
- Step 1: Write the proportion equation
1,643,716.08 : 2,465,575.02 = 1,078,671.83 : x - Step 2: Convert to fraction form
1,643,716.08/2,465,575.02 = 1,078,671.83/x - Step 3: Cross multiply
1,643,716.08x = 2,465,575.02 × 1,078,671.83 - Step 4: Simplify right side
1,643,716.08x = 2,659,546,306,497.81 - Step 5: Solve for x
x = 2,659,546,306,497.81/1,643,716.08 - Step 6: Final answer
x = 1,618,008.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.