Finding the Fourth Proportional to 1,903,615, 2,855,116.12 and 555,461.08
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Solution
The fourth proportional to 1,903,615, 2,855,116.12 and 555,461.08 is: 833,102.22
Step by Step Solution
- Step 1: Write the proportion equation
1,903,615 : 2,855,116.12 = 555,461.08 : x - Step 2: Convert to fraction form
1,903,615/2,855,116.12 = 555,461.08/x - Step 3: Cross multiply
1,903,615x = 2,855,116.12 × 555,461.08 - Step 4: Simplify right side
1,903,615x = 1,585,905,883,540.61 - Step 5: Solve for x
x = 1,585,905,883,540.61/1,903,615 - Step 6: Final answer
x = 833,102.22
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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.