Finding the Fourth Proportional to 2,122,126.20, 3,182,094.90 and 626,023.80
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Solution
The fourth proportional to 2,122,126.20, 3,182,094.90 and 626,023.80 is: 938,712.85
Step by Step Solution
- Step 1: Write the proportion equation
2,122,126.20 : 3,182,094.90 = 626,023.80 : x - Step 2: Convert to fraction form
2,122,126.20/3,182,094.90 = 626,023.80/x - Step 3: Cross multiply
2,122,126.20x = 3,182,094.90 × 626,023.80 - Step 4: Simplify right side
2,122,126.20x = 1,992,067,141,258.62 - Step 5: Solve for x
x = 1,992,067,141,258.62/2,122,126.20 - Step 6: Final answer
x = 938,712.85
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1.5x scale
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.