Finding the Fourth Proportional to 3,810,867.05, 5,258,803.65 and 2,262,195.02
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Solution
The fourth proportional to 3,810,867.05, 5,258,803.65 and 2,262,195.02 is: 3,121,714.63
Step by Step Solution
- Step 1: Write the proportion equation
3,810,867.05 : 5,258,803.65 = 2,262,195.02 : x - Step 2: Convert to fraction form
3,810,867.05/5,258,803.65 = 2,262,195.02/x - Step 3: Cross multiply
3,810,867.05x = 5,258,803.65 × 2,262,195.02 - Step 4: Simplify right side
3,810,867.05x = 11,896,439,428,187.82 - Step 5: Solve for x
x = 11,896,439,428,187.82/3,810,867.05 - Step 6: Final answer
x = 3,121,714.63
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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.