Finding the Fourth Proportional to 5,201,496.41, 7,178,443.56 and 2,910,395.21
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Solution
The fourth proportional to 5,201,496.41, 7,178,443.56 and 2,910,395.21 is: 4,016,557.18
Step by Step Solution
- Step 1: Write the proportion equation
5,201,496.41 : 7,178,443.56 = 2,910,395.21 : x - Step 2: Convert to fraction form
5,201,496.41/7,178,443.56 = 2,910,395.21/x - Step 3: Cross multiply
5,201,496.41x = 7,178,443.56 × 2,910,395.21 - Step 4: Simplify right side
5,201,496.41x = 20,892,107,716,387.13 - Step 5: Solve for x
x = 20,892,107,716,387.13/5,201,496.41 - Step 6: Final answer
x = 4,016,557.18
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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.