Finding the Fourth Proportional to 1,396,130.40, 1,926,841.68 and 852,153.12
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Solution
The fourth proportional to 1,396,130.40, 1,926,841.68 and 852,153.12 is: 1,176,082.23
Step by Step Solution
- Step 1: Write the proportion equation
1,396,130.40 : 1,926,841.68 = 852,153.12 : x - Step 2: Convert to fraction form
1,396,130.40/1,926,841.68 = 852,153.12/x - Step 3: Cross multiply
1,396,130.40x = 1,926,841.68 × 852,153.12 - Step 4: Simplify right side
1,396,130.40x = 1,641,964,149,358.04 - Step 5: Solve for x
x = 1,641,964,149,358.04/1,396,130.40 - Step 6: Final answer
x = 1,176,082.23
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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.