Finding the Fourth Proportional to 4,371,873.25, 6,544,163.04 and 3,220,417.75
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Solution
The fourth proportional to 4,371,873.25, 6,544,163.04 and 3,220,417.75 is: 4,820,574.07
Step by Step Solution
- Step 1: Write the proportion equation
4,371,873.25 : 6,544,163.04 = 3,220,417.75 : x - Step 2: Convert to fraction form
4,371,873.25/6,544,163.04 = 3,220,417.75/x - Step 3: Cross multiply
4,371,873.25x = 6,544,163.04 × 3,220,417.75 - Step 4: Simplify right side
4,371,873.25x = 21,074,938,821,722.64 - Step 5: Solve for x
x = 21,074,938,821,722.64/4,371,873.25 - Step 6: Final answer
x = 4,820,574.07
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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.