Finding the Fourth Proportional to 4,681,902.72, 7,023,321.36 and 1,270,242.84
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Solution
The fourth proportional to 4,681,902.72, 7,023,321.36 and 1,270,242.84 is: 1,905,491.04
Step by Step Solution
- Step 1: Write the proportion equation
4,681,902.72 : 7,023,321.36 = 1,270,242.84 : x - Step 2: Convert to fraction form
4,681,902.72/7,023,321.36 = 1,270,242.84/x - Step 3: Cross multiply
4,681,902.72x = 7,023,321.36 × 1,270,242.84 - Step 4: Simplify right side
4,681,902.72x = 8,921,323,670,559.06 - Step 5: Solve for x
x = 8,921,323,670,559.06/4,681,902.72 - Step 6: Final answer
x = 1,905,491.04
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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.