Finding the Fourth Proportional to 3,345,128.63, 4,615,907.25 and 1,854,942.84
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Solution
The fourth proportional to 3,345,128.63, 4,615,907.25 and 1,854,942.84 is: 2,559,615.81
Step by Step Solution
- Step 1: Write the proportion equation
3,345,128.63 : 4,615,907.25 = 1,854,942.84 : x - Step 2: Convert to fraction form
3,345,128.63/4,615,907.25 = 1,854,942.84/x - Step 3: Cross multiply
3,345,128.63x = 4,615,907.25 × 1,854,942.84 - Step 4: Simplify right side
3,345,128.63x = 8,562,244,103,491.59 - Step 5: Solve for x
x = 8,562,244,103,491.59/3,345,128.63 - Step 6: Final answer
x = 2,559,615.81
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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.