Finding the Fourth Proportional to 2,023,656.78, 2,791,749.33 and 1,207,385.85
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Solution
The fourth proportional to 2,023,656.78, 2,791,749.33 and 1,207,385.85 is: 1,665,657.28
Step by Step Solution
- Step 1: Write the proportion equation
2,023,656.78 : 2,791,749.33 = 1,207,385.85 : x - Step 2: Convert to fraction form
2,023,656.78/2,791,749.33 = 1,207,385.85/x - Step 3: Cross multiply
2,023,656.78x = 2,791,749.33 × 1,207,385.85 - Step 4: Simplify right side
2,023,656.78x = 3,370,718,648,258.04 - Step 5: Solve for x
x = 3,370,718,648,258.04/2,023,656.78 - Step 6: Final answer
x = 1,665,657.28
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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.