Finding the Fourth Proportional to 2,956,814.08, 4,433,314.20 and 1,159,879.12
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Solution
The fourth proportional to 2,956,814.08, 4,433,314.20 and 1,159,879.12 is: 1,739,070.65
Step by Step Solution
- Step 1: Write the proportion equation
2,956,814.08 : 4,433,314.20 = 1,159,879.12 : x - Step 2: Convert to fraction form
2,956,814.08/4,433,314.20 = 1,159,879.12/x - Step 3: Cross multiply
2,956,814.08x = 4,433,314.20 × 1,159,879.12 - Step 4: Simplify right side
2,956,814.08x = 5,142,108,572,979.51 - Step 5: Solve for x
x = 5,142,108,572,979.51/2,956,814.08 - Step 6: Final answer
x = 1,739,070.65
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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.