Finding the Fourth Proportional to 1,447,189.25, 1,996,801.36 and 835,211.97
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Solution
The fourth proportional to 1,447,189.25, 1,996,801.36 and 835,211.97 is: 1,152,407.95
Step by Step Solution
- Step 1: Write the proportion equation
1,447,189.25 : 1,996,801.36 = 835,211.97 : x - Step 2: Convert to fraction form
1,447,189.25/1,996,801.36 = 835,211.97/x - Step 3: Cross multiply
1,447,189.25x = 1,996,801.36 × 835,211.97 - Step 4: Simplify right side
1,447,189.25x = 1,667,752,395,496.25 - Step 5: Solve for x
x = 1,667,752,395,496.25/1,447,189.25 - Step 6: Final answer
x = 1,152,407.95
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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.