Finding the Fourth Proportional to 1,858,189.42, 2,785,401.68 and 1,259,211.16
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Solution
The fourth proportional to 1,858,189.42, 2,785,401.68 and 1,259,211.16 is: 1,887,541.09
Step by Step Solution
- Step 1: Write the proportion equation
1,858,189.42 : 2,785,401.68 = 1,259,211.16 : x - Step 2: Convert to fraction form
1,858,189.42/2,785,401.68 = 1,259,211.16/x - Step 3: Cross multiply
1,858,189.42x = 2,785,401.68 × 1,259,211.16 - Step 4: Simplify right side
1,858,189.42x = 3,507,408,880,538.75 - Step 5: Solve for x
x = 3,507,408,880,538.75/1,858,189.42 - Step 6: Final answer
x = 1,887,541.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.