Finding the Fourth Proportional to 3,416,112.18, 4,714,330.05 and 1,888,317.54
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Solution
The fourth proportional to 3,416,112.18, 4,714,330.05 and 1,888,317.54 is: 2,605,930.85
Step by Step Solution
- Step 1: Write the proportion equation
3,416,112.18 : 4,714,330.05 = 1,888,317.54 : x - Step 2: Convert to fraction form
3,416,112.18/4,714,330.05 = 1,888,317.54/x - Step 3: Cross multiply
3,416,112.18x = 4,714,330.05 × 1,888,317.54 - Step 4: Simplify right side
3,416,112.18x = 8,902,152,122,764.08 - Step 5: Solve for x
x = 8,902,152,122,764.08/3,416,112.18 - Step 6: Final answer
x = 2,605,930.85
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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.