Finding the Fourth Proportional to 4,118,590.64, 5,683,422.84 and 2,399,990.96
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Solution
The fourth proportional to 4,118,590.64, 5,683,422.84 and 2,399,990.96 is: 3,311,852.19
Step by Step Solution
- Step 1: Write the proportion equation
4,118,590.64 : 5,683,422.84 = 2,399,990.96 : x - Step 2: Convert to fraction form
4,118,590.64/5,683,422.84 = 2,399,990.96/x - Step 3: Cross multiply
4,118,590.64x = 5,683,422.84 × 2,399,990.96 - Step 4: Simplify right side
4,118,590.64x = 13,640,163,437,857.53 - Step 5: Solve for x
x = 13,640,163,437,857.53/4,118,590.64 - Step 6: Final answer
x = 3,311,852.19
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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.