Finding the Fourth Proportional to 4,510,478.79, 6,218,439.26 and 3,583,263.06
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Solution
The fourth proportional to 4,510,478.79, 6,218,439.26 and 3,583,263.06 is: 4,940,119.38
Step by Step Solution
- Step 1: Write the proportion equation
4,510,478.79 : 6,218,439.26 = 3,583,263.06 : x - Step 2: Convert to fraction form
4,510,478.79/6,218,439.26 = 3,583,263.06/x - Step 3: Cross multiply
4,510,478.79x = 6,218,439.26 × 3,583,263.06 - Step 4: Simplify right side
4,510,478.79x = 22,282,303,673,295.42 - Step 5: Solve for x
x = 22,282,303,673,295.42/4,510,478.79 - Step 6: Final answer
x = 4,940,119.38
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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.