Finding the Fourth Proportional to 1,534,221.84, 2,117,235.96 and 855,201.36
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Solution
The fourth proportional to 1,534,221.84, 2,117,235.96 and 855,201.36 is: 1,180,183.35
Step by Step Solution
- Step 1: Write the proportion equation
1,534,221.84 : 2,117,235.96 = 855,201.36 : x - Step 2: Convert to fraction form
1,534,221.84/2,117,235.96 = 855,201.36/x - Step 3: Cross multiply
1,534,221.84x = 2,117,235.96 × 855,201.36 - Step 4: Simplify right side
1,534,221.84x = 1,810,663,072,432.91 - Step 5: Solve for x
x = 1,810,663,072,432.91/1,534,221.84 - Step 6: Final answer
x = 1,180,183.35
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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.