Finding the Fourth Proportional to 6,210,374.58, 8,561,461.32 and 4,831,296.12
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Solution
The fourth proportional to 6,210,374.58, 8,561,461.32 and 4,831,296.12 is: 6,660,299.52
Step by Step Solution
- Step 1: Write the proportion equation
6,210,374.58 : 8,561,461.32 = 4,831,296.12 : x - Step 2: Convert to fraction form
6,210,374.58/8,561,461.32 = 4,831,296.12/x - Step 3: Cross multiply
6,210,374.58x = 8,561,461.32 × 4,831,296.12 - Step 4: Simplify right side
6,210,374.58x = 41,362,954,856,846.08 - Step 5: Solve for x
x = 41,362,954,856,846.08/6,210,374.58 - Step 6: Final answer
x = 6,660,299.52
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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.