Finding the Fourth Proportional to 2,378,905.63, 3,282,893.37 and 1,291,177.60
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Solution
The fourth proportional to 2,378,905.63, 3,282,893.37 and 1,291,177.60 is: 1,781,827.04
Step by Step Solution
- Step 1: Write the proportion equation
2,378,905.63 : 3,282,893.37 = 1,291,177.60 : x - Step 2: Convert to fraction form
2,378,905.63/3,282,893.37 = 1,291,177.60/x - Step 3: Cross multiply
2,378,905.63x = 3,282,893.37 × 1,291,177.60 - Step 4: Simplify right side
2,378,905.63x = 4,238,798,382,532.51 - Step 5: Solve for x
x = 4,238,798,382,532.51/2,378,905.63 - Step 6: Final answer
x = 1,781,827.04
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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.