Finding the Fourth Proportional to 3,837,826.32, 5,296,282.84 and 2,119,055.44
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Solution
The fourth proportional to 3,837,826.32, 5,296,282.84 and 2,119,055.44 is: 2,924,342.07
Step by Step Solution
- Step 1: Write the proportion equation
3,837,826.32 : 5,296,282.84 = 2,119,055.44 : x - Step 2: Convert to fraction form
3,837,826.32/5,296,282.84 = 2,119,055.44/x - Step 3: Cross multiply
3,837,826.32x = 5,296,282.84 × 2,119,055.44 - Step 4: Simplify right side
3,837,826.32x = 11,223,116,963,880.65 - Step 5: Solve for x
x = 11,223,116,963,880.65/3,837,826.32 - Step 6: Final answer
x = 2,924,342.07
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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.