Finding the Fourth Proportional to 2,301,721.38, 3,176,564.68 and 1,269,431.12
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Solution
The fourth proportional to 2,301,721.38, 3,176,564.68 and 1,269,431.12 is: 1,751,919.28
Step by Step Solution
- Step 1: Write the proportion equation
2,301,721.38 : 3,176,564.68 = 1,269,431.12 : x - Step 2: Convert to fraction form
2,301,721.38/3,176,564.68 = 1,269,431.12/x - Step 3: Cross multiply
2,301,721.38x = 3,176,564.68 × 1,269,431.12 - Step 4: Simplify right side
2,301,721.38x = 4,032,430,069,013.04 - Step 5: Solve for x
x = 4,032,430,069,013.04/2,301,721.38 - Step 6: Final answer
x = 1,751,919.28
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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.