Finding the Fourth Proportional to 2,037,591.06, 2,811,761.06 and 1,221,386.28
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Solution
The fourth proportional to 2,037,591.06, 2,811,761.06 and 1,221,386.28 is: 1,685,444.37
Step by Step Solution
- Step 1: Write the proportion equation
2,037,591.06 : 2,811,761.06 = 1,221,386.28 : x - Step 2: Convert to fraction form
2,037,591.06/2,811,761.06 = 1,221,386.28/x - Step 3: Cross multiply
2,037,591.06x = 2,811,761.06 × 1,221,386.28 - Step 4: Simplify right side
2,037,591.06x = 3,434,246,381,322.26 - Step 5: Solve for x
x = 3,434,246,381,322.26/2,037,591.06 - Step 6: Final answer
x = 1,685,444.37
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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.