Finding the Fourth Proportional to 1,346,424.21, 2,019,630.83 and 547,699.05
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Solution
The fourth proportional to 1,346,424.21, 2,019,630.83 and 547,699.05 is: 821,546.34
Step by Step Solution
- Step 1: Write the proportion equation
1,346,424.21 : 2,019,630.83 = 547,699.05 : x - Step 2: Convert to fraction form
1,346,424.21/2,019,630.83 = 547,699.05/x - Step 3: Cross multiply
1,346,424.21x = 2,019,630.83 × 547,699.05 - Step 4: Simplify right side
1,346,424.21x = 1,106,149,884,203.22 - Step 5: Solve for x
x = 1,106,149,884,203.22/1,346,424.21 - Step 6: Final answer
x = 821,546.34
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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.