Finding the Fourth Proportional to 5,779,814.35, 7,976,406.39 and 3,201,494.84
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Solution
The fourth proportional to 5,779,814.35, 7,976,406.39 and 3,201,494.84 is: 4,418,208.33
Step by Step Solution
- Step 1: Write the proportion equation
5,779,814.35 : 7,976,406.39 = 3,201,494.84 : x - Step 2: Convert to fraction form
5,779,814.35/7,976,406.39 = 3,201,494.84/x - Step 3: Cross multiply
5,779,814.35x = 7,976,406.39 × 3,201,494.84 - Step 4: Simplify right side
5,779,814.35x = 25,536,423,899,328.02 - Step 5: Solve for x
x = 25,536,423,899,328.02/5,779,814.35 - Step 6: Final answer
x = 4,418,208.33
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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.