Finding the Fourth Proportional to 4,815,285.84, 6,645,052.08 and 2,639,789.46
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Solution
The fourth proportional to 4,815,285.84, 6,645,052.08 and 2,639,789.46 is: 3,642,886.22
Step by Step Solution
- Step 1: Write the proportion equation
4,815,285.84 : 6,645,052.08 = 2,639,789.46 : x - Step 2: Convert to fraction form
4,815,285.84/6,645,052.08 = 2,639,789.46/x - Step 3: Cross multiply
4,815,285.84x = 6,645,052.08 × 2,639,789.46 - Step 4: Simplify right side
4,815,285.84x = 17,541,538,441,935.08 - Step 5: Solve for x
x = 17,541,538,441,935.08/4,815,285.84 - Step 6: Final answer
x = 3,642,886.22
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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.