Finding the Fourth Proportional to 1,490,023.05, 2,235,367.74 and 543,393.77
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Solution
The fourth proportional to 1,490,023.05, 2,235,367.74 and 543,393.77 is: 815,212.15
Step by Step Solution
- Step 1: Write the proportion equation
1,490,023.05 : 2,235,367.74 = 543,393.77 : x - Step 2: Convert to fraction form
1,490,023.05/2,235,367.74 = 543,393.77/x - Step 3: Cross multiply
1,490,023.05x = 2,235,367.74 × 543,393.77 - Step 4: Simplify right side
1,490,023.05x = 1,214,684,892,398.14 - Step 5: Solve for x
x = 1,214,684,892,398.14/1,490,023.05 - Step 6: Final answer
x = 815,212.15
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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.