Finding the Fourth Proportional to 4,379,767.20, 6,565,179.60 and 2,959,966.80
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Solution
The fourth proportional to 4,379,767.20, 6,565,179.60 and 2,959,966.80 is: 4,436,928.44
Step by Step Solution
- Step 1: Write the proportion equation
4,379,767.20 : 6,565,179.60 = 2,959,966.80 : x - Step 2: Convert to fraction form
4,379,767.20/6,565,179.60 = 2,959,966.80/x - Step 3: Cross multiply
4,379,767.20x = 6,565,179.60 × 2,959,966.80 - Step 4: Simplify right side
4,379,767.20x = 19,432,713,652,037.28 - Step 5: Solve for x
x = 19,432,713,652,037.28/4,379,767.20 - Step 6: Final answer
x = 4,436,928.44
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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.