Finding the Fourth Proportional to 2,909,146.97, 4,014,622.80 and 1,686,161.88
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Solution
The fourth proportional to 2,909,146.97, 4,014,622.80 and 1,686,161.88 is: 2,326,903.38
Step by Step Solution
- Step 1: Write the proportion equation
2,909,146.97 : 4,014,622.80 = 1,686,161.88 : x - Step 2: Convert to fraction form
2,909,146.97/4,014,622.80 = 1,686,161.88/x - Step 3: Cross multiply
2,909,146.97x = 4,014,622.80 × 1,686,161.88 - Step 4: Simplify right side
2,909,146.97x = 6,769,303,923,890.12 - Step 5: Solve for x
x = 6,769,303,923,890.12/2,909,146.97 - Step 6: Final answer
x = 2,326,903.38
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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.