Finding the Fourth Proportional to 2,124,462.05, 3,187,635.05 and 1,113,343.62
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Solution
The fourth proportional to 2,124,462.05, 3,187,635.05 and 1,113,343.62 is: 1,670,509.08
Step by Step Solution
- Step 1: Write the proportion equation
2,124,462.05 : 3,187,635.05 = 1,113,343.62 : x - Step 2: Convert to fraction form
2,124,462.05/3,187,635.05 = 1,113,343.62/x - Step 3: Cross multiply
2,124,462.05x = 3,187,635.05 × 1,113,343.62 - Step 4: Simplify right side
2,124,462.05x = 3,548,933,148,589.24 - Step 5: Solve for x
x = 3,548,933,148,589.24/2,124,462.05 - Step 6: Final answer
x = 1,670,509.08
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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.