Finding the Fourth Proportional to 4,362,511.21, 6,020,585.55 and 3,122,237.99
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Solution
The fourth proportional to 4,362,511.21, 6,020,585.55 and 3,122,237.99 is: 4,308,917.51
Step by Step Solution
- Step 1: Write the proportion equation
4,362,511.21 : 6,020,585.55 = 3,122,237.99 : x - Step 2: Convert to fraction form
4,362,511.21/6,020,585.55 = 3,122,237.99/x - Step 3: Cross multiply
4,362,511.21x = 6,020,585.55 × 3,122,237.99 - Step 4: Simplify right side
4,362,511.21x = 18,797,700,926,255.05 - Step 5: Solve for x
x = 18,797,700,926,255.05/4,362,511.21 - Step 6: Final answer
x = 4,308,917.51
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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.