Finding the Fourth Proportional to 4,979,807.16, 7,471,593.30 and 1,949,338.84
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Solution
The fourth proportional to 4,979,807.16, 7,471,593.30 and 1,949,338.84 is: 2,924,745.19
Step by Step Solution
- Step 1: Write the proportion equation
4,979,807.16 : 7,471,593.30 = 1,949,338.84 : x - Step 2: Convert to fraction form
4,979,807.16/7,471,593.30 = 1,949,338.84/x - Step 3: Cross multiply
4,979,807.16x = 7,471,593.30 × 1,949,338.84 - Step 4: Simplify right side
4,979,807.16x = 14,564,667,016,373.77 - Step 5: Solve for x
x = 14,564,667,016,373.77/4,979,807.16 - Step 6: Final answer
x = 2,924,745.19
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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.