Finding the Fourth Proportional to 3,416,724, 4,714,669.68 and 1,888,623.36
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Solution
The fourth proportional to 3,416,724, 4,714,669.68 and 1,888,623.36 is: 2,606,073.92
Step by Step Solution
- Step 1: Write the proportion equation
3,416,724 : 4,714,669.68 = 1,888,623.36 : x - Step 2: Convert to fraction form
3,416,724/4,714,669.68 = 1,888,623.36/x - Step 3: Cross multiply
3,416,724x = 4,714,669.68 × 1,888,623.36 - Step 4: Simplify right side
3,416,724x = 8,904,235,292,331.73 - Step 5: Solve for x
x = 8,904,235,292,331.73/3,416,724 - Step 6: Final answer
x = 2,606,073.92
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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.