Finding the Fourth Proportional to 1,316,517.09, 1,974,844.07 and 418,029.24
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Solution
The fourth proportional to 1,316,517.09, 1,974,844.07 and 418,029.24 is: 627,065.59
Step by Step Solution
- Step 1: Write the proportion equation
1,316,517.09 : 1,974,844.07 = 418,029.24 : x - Step 2: Convert to fraction form
1,316,517.09/1,974,844.07 = 418,029.24/x - Step 3: Cross multiply
1,316,517.09x = 1,974,844.07 × 418,029.24 - Step 4: Simplify right side
1,316,517.09x = 825,542,565,700.61 - Step 5: Solve for x
x = 825,542,565,700.61/1,316,517.09 - Step 6: Final answer
x = 627,065.59
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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.