Finding the Fourth Proportional to 1,571,322.07, 2,358,016.67 and 861,847.75
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Solution
The fourth proportional to 1,571,322.07, 2,358,016.67 and 861,847.75 is: 1,293,338.52
Step by Step Solution
- Step 1: Write the proportion equation
1,571,322.07 : 2,358,016.67 = 861,847.75 : x - Step 2: Convert to fraction form
1,571,322.07/2,358,016.67 = 861,847.75/x - Step 3: Cross multiply
1,571,322.07x = 2,358,016.67 × 861,847.75 - Step 4: Simplify right side
1,571,322.07x = 2,032,251,361,501.99 - Step 5: Solve for x
x = 2,032,251,361,501.99/1,571,322.07 - Step 6: Final answer
x = 1,293,338.52
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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.