Finding the Fourth Proportional to 4,283,338.76, 6,415,201.74 and 2,154,028.04
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Solution
The fourth proportional to 4,283,338.76, 6,415,201.74 and 2,154,028.04 is: 3,226,110.57
Step by Step Solution
- Step 1: Write the proportion equation
4,283,338.76 : 6,415,201.74 = 2,154,028.04 : x - Step 2: Convert to fraction form
4,283,338.76/6,415,201.74 = 2,154,028.04/x - Step 3: Cross multiply
4,283,338.76x = 6,415,201.74 × 2,154,028.04 - Step 4: Simplify right side
4,283,338.76x = 13,818,524,430,216.79 - Step 5: Solve for x
x = 13,818,524,430,216.79/4,283,338.76 - Step 6: Final answer
x = 3,226,110.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.