Finding the Fourth Proportional to 1,865,164.32, 2,574,021.24 and 1,101,201.48
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Solution
The fourth proportional to 1,865,164.32, 2,574,021.24 and 1,101,201.48 is: 1,519,713.82
Step by Step Solution
- Step 1: Write the proportion equation
1,865,164.32 : 2,574,021.24 = 1,101,201.48 : x - Step 2: Convert to fraction form
1,865,164.32/2,574,021.24 = 1,101,201.48/x - Step 3: Cross multiply
1,865,164.32x = 2,574,021.24 × 1,101,201.48 - Step 4: Simplify right side
1,865,164.32x = 2,834,515,999,039.44 - Step 5: Solve for x
x = 2,834,515,999,039.44/1,865,164.32 - Step 6: Final answer
x = 1,519,713.82
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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.