Finding the Fourth Proportional to 2,087,114.80, 3,128,339.40 and 888,833.20
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Solution
The fourth proportional to 2,087,114.80, 3,128,339.40 and 888,833.20 is: 1,332,256.34
Step by Step Solution
- Step 1: Write the proportion equation
2,087,114.80 : 3,128,339.40 = 888,833.20 : x - Step 2: Convert to fraction form
2,087,114.80/3,128,339.40 = 888,833.20/x - Step 3: Cross multiply
2,087,114.80x = 3,128,339.40 × 888,833.20 - Step 4: Simplify right side
2,087,114.80x = 2,780,571,919,588.08 - Step 5: Solve for x
x = 2,780,571,919,588.08/2,087,114.80 - Step 6: Final answer
x = 1,332,256.34
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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.