Finding the Fourth Proportional to 2,121,113.00, 2,927,201.81 and 1,203,380.79
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Solution
The fourth proportional to 2,121,113.00, 2,927,201.81 and 1,203,380.79 is: 1,660,702.86
Step by Step Solution
- Step 1: Write the proportion equation
2,121,113.00 : 2,927,201.81 = 1,203,380.79 : x - Step 2: Convert to fraction form
2,121,113.00/2,927,201.81 = 1,203,380.79/x - Step 3: Cross multiply
2,121,113.00x = 2,927,201.81 × 1,203,380.79 - Step 4: Simplify right side
2,121,113.00x = 3,522,538,420,590.33 - Step 5: Solve for x
x = 3,522,538,420,590.33/2,121,113.00 - Step 6: Final answer
x = 1,660,702.86
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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.