Finding the Fourth Proportional to 5,170,382.28, 7,135,506.95 and 3,700,428.84
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Solution
The fourth proportional to 5,170,382.28, 7,135,506.95 and 3,700,428.84 is: 5,106,863.33
Step by Step Solution
- Step 1: Write the proportion equation
5,170,382.28 : 7,135,506.95 = 3,700,428.84 : x - Step 2: Convert to fraction form
5,170,382.28/7,135,506.95 = 3,700,428.84/x - Step 3: Cross multiply
5,170,382.28x = 7,135,506.95 × 3,700,428.84 - Step 4: Simplify right side
5,170,382.28x = 26,404,435,687,298.29 - Step 5: Solve for x
x = 26,404,435,687,298.29/5,170,382.28 - Step 6: Final answer
x = 5,106,863.33
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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.