Finding the Fourth Proportional to 5,211,257.13, 7,191,535.50 and 2,888,299.62
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Solution
The fourth proportional to 5,211,257.13, 7,191,535.50 and 2,888,299.62 is: 3,985,853.84
Step by Step Solution
- Step 1: Write the proportion equation
5,211,257.13 : 7,191,535.50 = 2,888,299.62 : x - Step 2: Convert to fraction form
5,211,257.13/7,191,535.50 = 2,888,299.62/x - Step 3: Cross multiply
5,211,257.13x = 7,191,535.50 × 2,888,299.62 - Step 4: Simplify right side
5,211,257.13x = 20,771,309,251,866.51 - Step 5: Solve for x
x = 20,771,309,251,866.51/5,211,257.13 - Step 6: Final answer
x = 3,985,853.84
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1.5x scale
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.