Finding the Fourth Proportional to 2,134,297.11, 2,945,267.36 and 1,167,406.47
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Solution
The fourth proportional to 2,134,297.11, 2,945,267.36 and 1,167,406.47 is: 1,610,986.66
Step by Step Solution
- Step 1: Write the proportion equation
2,134,297.11 : 2,945,267.36 = 1,167,406.47 : x - Step 2: Convert to fraction form
2,134,297.11/2,945,267.36 = 1,167,406.47/x - Step 3: Cross multiply
2,134,297.11x = 2,945,267.36 × 1,167,406.47 - Step 4: Simplify right side
2,134,297.11x = 3,438,324,166,106.79 - Step 5: Solve for x
x = 3,438,324,166,106.79/2,134,297.11 - Step 6: Final answer
x = 1,610,986.66
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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.