Finding the Fourth Proportional to 2,130,183.98, 2,939,664.68 and 1,163,314.24
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Solution
The fourth proportional to 2,130,183.98, 2,939,664.68 and 1,163,314.24 is: 1,605,379.54
Step by Step Solution
- Step 1: Write the proportion equation
2,130,183.98 : 2,939,664.68 = 1,163,314.24 : x - Step 2: Convert to fraction form
2,130,183.98/2,939,664.68 = 1,163,314.24/x - Step 3: Cross multiply
2,130,183.98x = 2,939,664.68 × 1,163,314.24 - Step 4: Simplify right side
2,130,183.98x = 3,419,753,769,903.31 - Step 5: Solve for x
x = 3,419,753,769,903.31/2,130,183.98 - Step 6: Final answer
x = 1,605,379.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.