Finding the Fourth Proportional to 5,183,835.21, 7,779,223.58 and 2,151,204.03
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Solution
The fourth proportional to 5,183,835.21, 7,779,223.58 and 2,151,204.03 is: 3,228,246.35
Step by Step Solution
- Step 1: Write the proportion equation
5,183,835.21 : 7,779,223.58 = 2,151,204.03 : x - Step 2: Convert to fraction form
5,183,835.21/7,779,223.58 = 2,151,204.03/x - Step 3: Cross multiply
5,183,835.21x = 7,779,223.58 × 2,151,204.03 - Step 4: Simplify right side
5,183,835.21x = 16,734,697,104,811.01 - Step 5: Solve for x
x = 16,734,697,104,811.01/5,183,835.21 - Step 6: Final answer
x = 3,228,246.35
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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.