Finding the Fourth Proportional to 2,850,496.16, 3,933,686.40 and 1,561,358.12
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Solution
The fourth proportional to 2,850,496.16, 3,933,686.40 and 1,561,358.12 is: 2,154,675.14
Step by Step Solution
- Step 1: Write the proportion equation
2,850,496.16 : 3,933,686.40 = 1,561,358.12 : x - Step 2: Convert to fraction form
2,850,496.16/3,933,686.40 = 1,561,358.12/x - Step 3: Cross multiply
2,850,496.16x = 3,933,686.40 × 1,561,358.12 - Step 4: Simplify right side
2,850,496.16x = 6,141,893,202,173.57 - Step 5: Solve for x
x = 6,141,893,202,173.57/2,850,496.16 - Step 6: Final answer
x = 2,154,675.14
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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.