Finding the Fourth Proportional to 5,620,395.39, 7,756,333.64 and 3,444,518.09
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Solution
The fourth proportional to 5,620,395.39, 7,756,333.64 and 3,444,518.09 is: 4,753,550.17
Step by Step Solution
- Step 1: Write the proportion equation
5,620,395.39 : 7,756,333.64 = 3,444,518.09 : x - Step 2: Convert to fraction form
5,620,395.39/7,756,333.64 = 3,444,518.09/x - Step 3: Cross multiply
5,620,395.39x = 7,756,333.64 × 3,444,518.09 - Step 4: Simplify right side
5,620,395.39x = 26,716,831,479,051.29 - Step 5: Solve for x
x = 26,716,831,479,051.29/5,620,395.39 - Step 6: Final answer
x = 4,753,550.17
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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.