Finding the Fourth Proportional to 4,026,381.84, 5,556,239.28 and 2,190,847.32
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Solution
The fourth proportional to 4,026,381.84, 5,556,239.28 and 2,190,847.32 is: 3,023,278.07
Step by Step Solution
- Step 1: Write the proportion equation
4,026,381.84 : 5,556,239.28 = 2,190,847.32 : x - Step 2: Convert to fraction form
4,026,381.84/5,556,239.28 = 2,190,847.32/x - Step 3: Cross multiply
4,026,381.84x = 5,556,239.28 × 2,190,847.32 - Step 4: Simplify right side
4,026,381.84x = 12,172,871,935,866.73 - Step 5: Solve for x
x = 12,172,871,935,866.73/4,026,381.84 - Step 6: Final answer
x = 3,023,278.07
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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.