Finding the Fourth Proportional to 2,292,739.67, 3,158,512.30 and 1,603,121.20
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Solution
The fourth proportional to 2,292,739.67, 3,158,512.30 and 1,603,121.20 is: 2,208,483.63
Step by Step Solution
- Step 1: Write the proportion equation
2,292,739.67 : 3,158,512.30 = 1,603,121.20 : x - Step 2: Convert to fraction form
2,292,739.67/3,158,512.30 = 1,603,121.20/x - Step 3: Cross multiply
2,292,739.67x = 3,158,512.30 × 1,603,121.20 - Step 4: Simplify right side
2,292,739.67x = 5,063,478,028,590.76 - Step 5: Solve for x
x = 5,063,478,028,590.76/2,292,739.67 - Step 6: Final answer
x = 2,208,483.63
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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.