Finding the Fourth Proportional to 5,163,826.08, 7,745,991.30 and 1,968,356.64
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Solution
The fourth proportional to 5,163,826.08, 7,745,991.30 and 1,968,356.64 is: 2,952,631.09
Step by Step Solution
- Step 1: Write the proportion equation
5,163,826.08 : 7,745,991.30 = 1,968,356.64 : x - Step 2: Convert to fraction form
5,163,826.08/7,745,991.30 = 1,968,356.64/x - Step 3: Cross multiply
5,163,826.08x = 7,745,991.30 × 1,968,356.64 - Step 4: Simplify right side
5,163,826.08x = 15,246,873,408,737.23 - Step 5: Solve for x
x = 15,246,873,408,737.23/5,163,826.08 - Step 6: Final answer
x = 2,952,631.09
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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.