Finding the Fourth Proportional to 3,108,817.62, 4,663,392.84 and 979,067.58
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Solution
The fourth proportional to 3,108,817.62, 4,663,392.84 and 979,067.58 is: 1,468,653.78
Step by Step Solution
- Step 1: Write the proportion equation
3,108,817.62 : 4,663,392.84 = 979,067.58 : x - Step 2: Convert to fraction form
3,108,817.62/4,663,392.84 = 979,067.58/x - Step 3: Cross multiply
3,108,817.62x = 4,663,392.84 × 979,067.58 - Step 4: Simplify right side
3,108,817.62x = 4,565,776,742,448.13 - Step 5: Solve for x
x = 4,565,776,742,448.13/3,108,817.62 - Step 6: Final answer
x = 1,468,653.78
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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.