Finding the Fourth Proportional to 4,660,267.09, 6,991,459.31 and 1,422,094.18
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Solution
The fourth proportional to 4,660,267.09, 6,991,459.31 and 1,422,094.18 is: 2,133,464.33
Step by Step Solution
- Step 1: Write the proportion equation
4,660,267.09 : 6,991,459.31 = 1,422,094.18 : x - Step 2: Convert to fraction form
4,660,267.09/6,991,459.31 = 1,422,094.18/x - Step 3: Cross multiply
4,660,267.09x = 6,991,459.31 × 1,422,094.18 - Step 4: Simplify right side
4,660,267.09x = 9,942,513,594,457.82 - Step 5: Solve for x
x = 9,942,513,594,457.82/4,660,267.09 - Step 6: Final answer
x = 2,133,464.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.