Finding the Fourth Proportional to 1,423,993.74, 2,135,658.35 and 412,844.32
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Solution
The fourth proportional to 1,423,993.74, 2,135,658.35 and 412,844.32 is: 619,170.15
Step by Step Solution
- Step 1: Write the proportion equation
1,423,993.74 : 2,135,658.35 = 412,844.32 : x - Step 2: Convert to fraction form
1,423,993.74/2,135,658.35 = 412,844.32/x - Step 3: Cross multiply
1,423,993.74x = 2,135,658.35 × 412,844.32 - Step 4: Simplify right side
1,423,993.74x = 881,694,416,953.22 - Step 5: Solve for x
x = 881,694,416,953.22/1,423,993.74 - Step 6: Final answer
x = 619,170.15
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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.