Finding the Fourth Proportional to 5,725,319.41, 8,587,973.64 and 1,465,480.81
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Solution
The fourth proportional to 5,725,319.41, 8,587,973.64 and 1,465,480.81 is: 2,198,219.81
Step by Step Solution
- Step 1: Write the proportion equation
5,725,319.41 : 8,587,973.64 = 1,465,480.81 : x - Step 2: Convert to fraction form
5,725,319.41/8,587,973.64 = 1,465,480.81/x - Step 3: Cross multiply
5,725,319.41x = 8,587,973.64 × 1,465,480.81 - Step 4: Simplify right side
5,725,319.41x = 12,585,510,566,205.85 - Step 5: Solve for x
x = 12,585,510,566,205.85/5,725,319.41 - Step 6: Final answer
x = 2,198,219.81
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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.