Finding the Fourth Proportional to 4,368,830.80, 6,553,246.20 and 2,857,176.40
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Solution
The fourth proportional to 4,368,830.80, 6,553,246.20 and 2,857,176.40 is: 4,285,764.60
Step by Step Solution
- Step 1: Write the proportion equation
4,368,830.80 : 6,553,246.20 = 2,857,176.40 : x - Step 2: Convert to fraction form
4,368,830.80/6,553,246.20 = 2,857,176.40/x - Step 3: Cross multiply
4,368,830.80x = 6,553,246.20 × 2,857,176.40 - Step 4: Simplify right side
4,368,830.80x = 18,723,780,386,029.68 - Step 5: Solve for x
x = 18,723,780,386,029.68/4,368,830.80 - Step 6: Final answer
x = 4,285,764.60
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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.