Finding the Fourth Proportional to 2,285,074.08, 3,153,404.79 and 1,266,479.64
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Solution
The fourth proportional to 2,285,074.08, 3,153,404.79 and 1,266,479.64 is: 1,747,743.32
Step by Step Solution
- Step 1: Write the proportion equation
2,285,074.08 : 3,153,404.79 = 1,266,479.64 : x - Step 2: Convert to fraction form
2,285,074.08/3,153,404.79 = 1,266,479.64/x - Step 3: Cross multiply
2,285,074.08x = 3,153,404.79 × 1,266,479.64 - Step 4: Simplify right side
2,285,074.08x = 3,993,722,963,213.48 - Step 5: Solve for x
x = 3,993,722,963,213.48/2,285,074.08 - Step 6: Final answer
x = 1,747,743.32
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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.