Finding the Fourth Proportional to 5,127,880.04, 7,078,653.36 and 3,195,095.55
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Solution
The fourth proportional to 5,127,880.04, 7,078,653.36 and 3,195,095.55 is: 4,410,589.50
Step by Step Solution
- Step 1: Write the proportion equation
5,127,880.04 : 7,078,653.36 = 3,195,095.55 : x - Step 2: Convert to fraction form
5,127,880.04/7,078,653.36 = 3,195,095.55/x - Step 3: Cross multiply
5,127,880.04x = 7,078,653.36 × 3,195,095.55 - Step 4: Simplify right side
5,127,880.04x = 22,616,973,850,528.55 - Step 5: Solve for x
x = 22,616,973,850,528.55/5,127,880.04 - Step 6: Final answer
x = 4,410,589.50
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1.5x scale
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.