Finding the Fourth Proportional to 4,293,431.56, 6,440,963.84 and 1,452,781
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Solution
The fourth proportional to 4,293,431.56, 6,440,963.84 and 1,452,781 is: 2,179,447.78
Step by Step Solution
- Step 1: Write the proportion equation
4,293,431.56 : 6,440,963.84 = 1,452,781 : x - Step 2: Convert to fraction form
4,293,431.56/6,440,963.84 = 1,452,781/x - Step 3: Cross multiply
4,293,431.56x = 6,440,963.84 × 1,452,781 - Step 4: Simplify right side
4,293,431.56x = 9,357,309,888,439.04 - Step 5: Solve for x
x = 9,357,309,888,439.04/4,293,431.56 - Step 6: Final answer
x = 2,179,447.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.