Finding the Fourth Proportional to 4,519,378.32, 6,236,747.28 and 2,454,395.28
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Solution
The fourth proportional to 4,519,378.32, 6,236,747.28 and 2,454,395.28 is: 3,387,068.31
Step by Step Solution
- Step 1: Write the proportion equation
4,519,378.32 : 6,236,747.28 = 2,454,395.28 : x - Step 2: Convert to fraction form
4,519,378.32/6,236,747.28 = 2,454,395.28/x - Step 3: Cross multiply
4,519,378.32x = 6,236,747.28 × 2,454,395.28 - Step 4: Simplify right side
4,519,378.32x = 15,307,443,086,584.84 - Step 5: Solve for x
x = 15,307,443,086,584.84/4,519,378.32 - Step 6: Final answer
x = 3,387,068.31
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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.