Finding the Fourth Proportional to 5,163,826.58, 7,745,992.05 and 1,968,357.14
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Solution
The fourth proportional to 5,163,826.58, 7,745,992.05 and 1,968,357.14 is: 2,952,631.84
Step by Step Solution
- Step 1: Write the proportion equation
5,163,826.58 : 7,745,992.05 = 1,968,357.14 : x - Step 2: Convert to fraction form
5,163,826.58/7,745,992.05 = 1,968,357.14/x - Step 3: Cross multiply
5,163,826.58x = 7,745,992.05 × 1,968,357.14 - Step 4: Simplify right side
5,163,826.58x = 15,246,878,758,000.74 - Step 5: Solve for x
x = 15,246,878,758,000.74/5,163,826.58 - Step 6: Final answer
x = 2,952,631.84
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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.