Finding the Fourth Proportional to 2,121,019.00, 3,163,887.09 and 1,916,709.46
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Solution
The fourth proportional to 2,121,019.00, 3,163,887.09 and 1,916,709.46 is: 2,859,122.11
Step by Step Solution
- Step 1: Write the proportion equation
2,121,019.00 : 3,163,887.09 = 1,916,709.46 : x - Step 2: Convert to fraction form
2,121,019.00/3,163,887.09 = 1,916,709.46/x - Step 3: Cross multiply
2,121,019.00x = 3,163,887.09 × 1,916,709.46 - Step 4: Simplify right side
2,121,019.00x = 6,064,252,331,052.76 - Step 5: Solve for x
x = 6,064,252,331,052.76/2,121,019.00 - Step 6: Final answer
x = 2,859,122.11
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.