Finding the Fourth Proportional to 3,778,340.99, 5,667,851.85 and 1,219,616.60
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Solution
The fourth proportional to 3,778,340.99, 5,667,851.85 and 1,219,616.60 is: 1,829,534.77
Step by Step Solution
- Step 1: Write the proportion equation
3,778,340.99 : 5,667,851.85 = 1,219,616.60 : x - Step 2: Convert to fraction form
3,778,340.99/5,667,851.85 = 1,219,616.60/x - Step 3: Cross multiply
3,778,340.99x = 5,667,851.85 × 1,219,616.60 - Step 4: Simplify right side
3,778,340.99x = 6,912,606,217,510.39 - Step 5: Solve for x
x = 6,912,606,217,510.39/3,778,340.99 - Step 6: Final answer
x = 1,829,534.77
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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.