Finding the Fourth Proportional to 1,984,645.74, 2,739,346.49 and 1,296,303
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Solution
The fourth proportional to 1,984,645.74, 2,739,346.49 and 1,296,303 is: 1,789,247.82
Step by Step Solution
- Step 1: Write the proportion equation
1,984,645.74 : 2,739,346.49 = 1,296,303 : x - Step 2: Convert to fraction form
1,984,645.74/2,739,346.49 = 1,296,303/x - Step 3: Cross multiply
1,984,645.74x = 2,739,346.49 × 1,296,303 - Step 4: Simplify right side
1,984,645.74x = 3,551,023,066,544.95 - Step 5: Solve for x
x = 3,551,023,066,544.95/1,984,645.74 - Step 6: Final answer
x = 1,789,247.82
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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.