Finding the Fourth Proportional to 6,270,789.56, 9,405,177.50 and 1,720,775.75
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Solution
The fourth proportional to 6,270,789.56, 9,405,177.50 and 1,720,775.75 is: 2,580,887.33
Step by Step Solution
- Step 1: Write the proportion equation
6,270,789.56 : 9,405,177.50 = 1,720,775.75 : x - Step 2: Convert to fraction form
6,270,789.56/9,405,177.50 = 1,720,775.75/x - Step 3: Cross multiply
6,270,789.56x = 9,405,177.50 × 1,720,775.75 - Step 4: Simplify right side
6,270,789.56x = 16,184,201,323,721.68 - Step 5: Solve for x
x = 16,184,201,323,721.68/6,270,789.56 - Step 6: Final answer
x = 2,580,887.33
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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.