Finding the Fourth Proportional to 5,120,144.06, 7,066,013.34 and 2,944,688.68
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Solution
The fourth proportional to 5,120,144.06, 7,066,013.34 and 2,944,688.68 is: 4,063,793.76
Step by Step Solution
- Step 1: Write the proportion equation
5,120,144.06 : 7,066,013.34 = 2,944,688.68 : x - Step 2: Convert to fraction form
5,120,144.06/7,066,013.34 = 2,944,688.68/x - Step 3: Cross multiply
5,120,144.06x = 7,066,013.34 × 2,944,688.68 - Step 4: Simplify right side
5,120,144.06x = 20,807,209,495,026.99 - Step 5: Solve for x
x = 20,807,209,495,026.99/5,120,144.06 - Step 6: Final answer
x = 4,063,793.76
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1.5x scale
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.