Finding the Fourth Proportional to 2,124,438.50, 3,187,599.57 and 1,113,320.05
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Solution
The fourth proportional to 2,124,438.50, 3,187,599.57 and 1,113,320.05 is: 1,670,473.64
Step by Step Solution
- Step 1: Write the proportion equation
2,124,438.50 : 3,187,599.57 = 1,113,320.05 : x - Step 2: Convert to fraction form
2,124,438.50/3,187,599.57 = 1,113,320.05/x - Step 3: Cross multiply
2,124,438.50x = 3,187,599.57 × 1,113,320.05 - Step 4: Simplify right side
2,124,438.50x = 3,548,818,512,652.38 - Step 5: Solve for x
x = 3,548,818,512,652.38/2,124,438.50 - Step 6: Final answer
x = 1,670,473.64
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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.