Finding the Fourth Proportional to 1,998,078.21, 2,996,373.26 and 718,336.49
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Solution
The fourth proportional to 1,998,078.21, 2,996,373.26 and 718,336.49 is: 1,077,237.23
Step by Step Solution
- Step 1: Write the proportion equation
1,998,078.21 : 2,996,373.26 = 718,336.49 : x - Step 2: Convert to fraction form
1,998,078.21/2,996,373.26 = 718,336.49/x - Step 3: Cross multiply
1,998,078.21x = 2,996,373.26 × 718,336.49 - Step 4: Simplify right side
1,998,078.21x = 2,152,404,237,132.23 - Step 5: Solve for x
x = 2,152,404,237,132.23/1,998,078.21 - Step 6: Final answer
x = 1,077,237.23
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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.