Finding the Fourth Proportional to 1,868,340.74, 2,578,318.09 and 1,052,554.20
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Solution
The fourth proportional to 1,868,340.74, 2,578,318.09 and 1,052,554.20 is: 1,452,529.23
Step by Step Solution
- Step 1: Write the proportion equation
1,868,340.74 : 2,578,318.09 = 1,052,554.20 : x - Step 2: Convert to fraction form
1,868,340.74/2,578,318.09 = 1,052,554.20/x - Step 3: Cross multiply
1,868,340.74x = 2,578,318.09 × 1,052,554.20 - Step 4: Simplify right side
1,868,340.74x = 2,713,819,522,265.40 - Step 5: Solve for x
x = 2,713,819,522,265.40/1,868,340.74 - Step 6: Final answer
x = 1,452,529.23
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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.