Finding the Fourth Proportional to 2,381,462.28, 3,286,420.80 and 1,293,734.58
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Solution
The fourth proportional to 2,381,462.28, 3,286,420.80 and 1,293,734.58 is: 1,785,355.27
Step by Step Solution
- Step 1: Write the proportion equation
2,381,462.28 : 3,286,420.80 = 1,293,734.58 : x - Step 2: Convert to fraction form
2,381,462.28/3,286,420.80 = 1,293,734.58/x - Step 3: Cross multiply
2,381,462.28x = 3,286,420.80 × 1,293,734.58 - Step 4: Simplify right side
2,381,462.28x = 4,251,756,233,391.26 - Step 5: Solve for x
x = 4,251,756,233,391.26/2,381,462.28 - Step 6: Final answer
x = 1,785,355.27
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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.