Finding the Fourth Proportional to 4,289,858.21, 5,918,564.00 and 2,429,019.88
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Solution
The fourth proportional to 4,289,858.21, 5,918,564.00 and 2,429,019.88 is: 3,351,231.88
Step by Step Solution
- Step 1: Write the proportion equation
4,289,858.21 : 5,918,564.00 = 2,429,019.88 : x - Step 2: Convert to fraction form
4,289,858.21/5,918,564.00 = 2,429,019.88/x - Step 3: Cross multiply
4,289,858.21x = 5,918,564.00 × 2,429,019.88 - Step 4: Simplify right side
4,289,858.21x = 14,376,309,575,314.40 - Step 5: Solve for x
x = 14,376,309,575,314.40/4,289,858.21 - Step 6: Final answer
x = 3,351,231.88
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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.