Finding the Fourth Proportional to 1,620,487.91, 2,430,679.57 and 483,259.56
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Solution
The fourth proportional to 1,620,487.91, 2,430,679.57 and 483,259.56 is: 724,873.74
Step by Step Solution
- Step 1: Write the proportion equation
1,620,487.91 : 2,430,679.57 = 483,259.56 : x - Step 2: Convert to fraction form
1,620,487.91/2,430,679.57 = 483,259.56/x - Step 3: Cross multiply
1,620,487.91x = 2,430,679.57 × 483,259.56 - Step 4: Simplify right side
1,620,487.91x = 1,174,649,139,499.19 - Step 5: Solve for x
x = 1,174,649,139,499.19/1,620,487.91 - Step 6: Final answer
x = 724,873.74
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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.