Finding the Fourth Proportional to 2,846,967.29, 3,928,814.87 and 1,557,807.68
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Solution
The fourth proportional to 2,846,967.29, 3,928,814.87 and 1,557,807.68 is: 2,149,774.60
Step by Step Solution
- Step 1: Write the proportion equation
2,846,967.29 : 3,928,814.87 = 1,557,807.68 : x - Step 2: Convert to fraction form
2,846,967.29/3,928,814.87 = 1,557,807.68/x - Step 3: Cross multiply
2,846,967.29x = 3,928,814.87 × 1,557,807.68 - Step 4: Simplify right side
2,846,967.29x = 6,120,337,979,817.20 - Step 5: Solve for x
x = 6,120,337,979,817.20/2,846,967.29 - Step 6: Final answer
x = 2,149,774.60
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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.