Finding the Fourth Proportional to 3,854,858.04, 5,319,624.78 and 2,135,963.52
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Solution
The fourth proportional to 3,854,858.04, 5,319,624.78 and 2,135,963.52 is: 2,947,585.71
Step by Step Solution
- Step 1: Write the proportion equation
3,854,858.04 : 5,319,624.78 = 2,135,963.52 : x - Step 2: Convert to fraction form
3,854,858.04/5,319,624.78 = 2,135,963.52/x - Step 3: Cross multiply
3,854,858.04x = 5,319,624.78 × 2,135,963.52 - Step 4: Simplify right side
3,854,858.04x = 11,362,524,470,168.03 - Step 5: Solve for x
x = 11,362,524,470,168.03/3,854,858.04 - Step 6: Final answer
x = 2,947,585.71
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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.