Finding the Fourth Proportional to 1,372,202.05, 1,893,666.25 and 799,279.13
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Solution
The fourth proportional to 1,372,202.05, 1,893,666.25 and 799,279.13 is: 1,103,021.17
Step by Step Solution
- Step 1: Write the proportion equation
1,372,202.05 : 1,893,666.25 = 799,279.13 : x - Step 2: Convert to fraction form
1,372,202.05/1,893,666.25 = 799,279.13/x - Step 3: Cross multiply
1,372,202.05x = 1,893,666.25 × 799,279.13 - Step 4: Simplify right side
1,372,202.05x = 1,513,567,903,395.81 - Step 5: Solve for x
x = 1,513,567,903,395.81/1,372,202.05 - Step 6: Final answer
x = 1,103,021.17
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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.