Finding the Fourth Proportional to 2,021,264.88, 2,789,272.44 and 1,115,827.44
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Solution
The fourth proportional to 2,021,264.88, 2,789,272.44 and 1,115,827.44 is: 1,539,801.52
Step by Step Solution
- Step 1: Write the proportion equation
2,021,264.88 : 2,789,272.44 = 1,115,827.44 : x - Step 2: Convert to fraction form
2,021,264.88/2,789,272.44 = 1,115,827.44/x - Step 3: Cross multiply
2,021,264.88x = 2,789,272.44 × 1,115,827.44 - Step 4: Simplify right side
2,021,264.88x = 3,112,346,726,187.75 - Step 5: Solve for x
x = 3,112,346,726,187.75/2,021,264.88 - Step 6: Final answer
x = 1,539,801.52
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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.