Finding the Fourth Proportional to 4,554,678.23, 6,285,455.70 and 2,489,702.50
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Solution
The fourth proportional to 4,554,678.23, 6,285,455.70 and 2,489,702.50 is: 3,435,789.31
Step by Step Solution
- Step 1: Write the proportion equation
4,554,678.23 : 6,285,455.70 = 2,489,702.50 : x - Step 2: Convert to fraction form
4,554,678.23/6,285,455.70 = 2,489,702.50/x - Step 3: Cross multiply
4,554,678.23x = 6,285,455.70 × 2,489,702.50 - Step 4: Simplify right side
4,554,678.23x = 15,648,914,782,454.26 - Step 5: Solve for x
x = 15,648,914,782,454.26/4,554,678.23 - Step 6: Final answer
x = 3,435,789.31
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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.