Finding the Fourth Proportional to 3,791,303.63, 5,686,955.44 and 1,266,958.88
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Solution
The fourth proportional to 3,791,303.63, 5,686,955.44 and 1,266,958.88 is: 1,900,438.31
Step by Step Solution
- Step 1: Write the proportion equation
3,791,303.63 : 5,686,955.44 = 1,266,958.88 : x - Step 2: Convert to fraction form
3,791,303.63/5,686,955.44 = 1,266,958.88/x - Step 3: Cross multiply
3,791,303.63x = 5,686,955.44 × 1,266,958.88 - Step 4: Simplify right side
3,791,303.63x = 7,205,138,663,270.13 - Step 5: Solve for x
x = 7,205,138,663,270.13/3,791,303.63 - Step 6: Final answer
x = 1,900,438.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.