Finding the Fourth Proportional to 1,567,189.36, 2,349,405.60 and 621,224.08
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Solution
The fourth proportional to 1,567,189.36, 2,349,405.60 and 621,224.08 is: 931,289.71
Step by Step Solution
- Step 1: Write the proportion equation
1,567,189.36 : 2,349,405.60 = 621,224.08 : x - Step 2: Convert to fraction form
1,567,189.36/2,349,405.60 = 621,224.08/x - Step 3: Cross multiply
1,567,189.36x = 2,349,405.60 × 621,224.08 - Step 4: Simplify right side
1,567,189.36x = 1,459,507,332,406.85 - Step 5: Solve for x
x = 1,459,507,332,406.85/1,567,189.36 - Step 6: Final answer
x = 931,289.71
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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.