Finding the Fourth Proportional to 4,078,437.82, 5,628,115.36 and 2,242,890.44
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Solution
The fourth proportional to 4,078,437.82, 5,628,115.36 and 2,242,890.44 is: 3,095,117.96
Step by Step Solution
- Step 1: Write the proportion equation
4,078,437.82 : 5,628,115.36 = 2,242,890.44 : x - Step 2: Convert to fraction form
4,078,437.82/5,628,115.36 = 2,242,890.44/x - Step 3: Cross multiply
4,078,437.82x = 5,628,115.36 × 2,242,890.44 - Step 4: Simplify right side
4,078,437.82x = 12,623,246,136,161.16 - Step 5: Solve for x
x = 12,623,246,136,161.16/4,078,437.82 - Step 6: Final answer
x = 3,095,117.96
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1.5x scale
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.