Finding the Fourth Proportional to 2,179,373.25, 3,007,562.75 and 1,199,425.11
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Solution
The fourth proportional to 2,179,373.25, 3,007,562.75 and 1,199,425.11 is: 1,655,221.88
Step by Step Solution
- Step 1: Write the proportion equation
2,179,373.25 : 3,007,562.75 = 1,199,425.11 : x - Step 2: Convert to fraction form
2,179,373.25/3,007,562.75 = 1,199,425.11/x - Step 3: Cross multiply
2,179,373.25x = 3,007,562.75 × 1,199,425.11 - Step 4: Simplify right side
2,179,373.25x = 3,607,346,285,249.22 - Step 5: Solve for x
x = 3,607,346,285,249.22/2,179,373.25 - Step 6: Final answer
x = 1,655,221.88
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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.