Finding the Fourth Proportional to 3,416,671.08, 4,714,803.72 and 1,888,687.08
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Solution
The fourth proportional to 3,416,671.08, 4,714,803.72 and 1,888,687.08 is: 2,606,276.30
Step by Step Solution
- Step 1: Write the proportion equation
3,416,671.08 : 4,714,803.72 = 1,888,687.08 : x - Step 2: Convert to fraction form
3,416,671.08/4,714,803.72 = 1,888,687.08/x - Step 3: Cross multiply
3,416,671.08x = 4,714,803.72 × 1,888,687.08 - Step 4: Simplify right side
3,416,671.08x = 8,904,788,870,699.94 - Step 5: Solve for x
x = 8,904,788,870,699.94/3,416,671.08 - Step 6: Final answer
x = 2,606,276.30
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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.