Finding the Fourth Proportional to 2,110,268.35, 2,912,166.21 and 1,143,424.81
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Solution
The fourth proportional to 2,110,268.35, 2,912,166.21 and 1,143,424.81 is: 1,577,924.01
Step by Step Solution
- Step 1: Write the proportion equation
2,110,268.35 : 2,912,166.21 = 1,143,424.81 : x - Step 2: Convert to fraction form
2,110,268.35/2,912,166.21 = 1,143,424.81/x - Step 3: Cross multiply
2,110,268.35x = 2,912,166.21 × 1,143,424.81 - Step 4: Simplify right side
2,110,268.35x = 3,329,843,095,357.67 - Step 5: Solve for x
x = 3,329,843,095,357.67/2,110,268.35 - Step 6: Final answer
x = 1,577,924.01
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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.