Finding the Fourth Proportional to 3,237,907.85, 4,468,319.46 and 1,787,606.09
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Solution
The fourth proportional to 3,237,907.85, 4,468,319.46 and 1,787,606.09 is: 2,466,900.06
Step by Step Solution
- Step 1: Write the proportion equation
3,237,907.85 : 4,468,319.46 = 1,787,606.09 : x - Step 2: Convert to fraction form
3,237,907.85/4,468,319.46 = 1,787,606.09/x - Step 3: Cross multiply
3,237,907.85x = 4,468,319.46 × 1,787,606.09 - Step 4: Simplify right side
3,237,907.85x = 7,987,595,056,419.91 - Step 5: Solve for x
x = 7,987,595,056,419.91/3,237,907.85 - Step 6: Final answer
x = 2,466,900.06
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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.