Finding the Fourth Proportional to 6,238,867.96, 9,358,272.42 and 1,689,907.96
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Solution
The fourth proportional to 6,238,867.96, 9,358,272.42 and 1,689,907.96 is: 2,534,853.94
Step by Step Solution
- Step 1: Write the proportion equation
6,238,867.96 : 9,358,272.42 = 1,689,907.96 : x - Step 2: Convert to fraction form
6,238,867.96/9,358,272.42 = 1,689,907.96/x - Step 3: Cross multiply
6,238,867.96x = 9,358,272.42 × 1,689,907.96 - Step 4: Simplify right side
6,238,867.96x = 15,814,619,054,406.46 - Step 5: Solve for x
x = 15,814,619,054,406.46/6,238,867.96 - Step 6: Final answer
x = 2,534,853.94
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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.