Finding the Fourth Proportional to 3,961,406.54, 5,466,763.76 and 2,329,882.67
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Solution
The fourth proportional to 3,961,406.54, 5,466,763.76 and 2,329,882.67 is: 3,215,251.45
Step by Step Solution
- Step 1: Write the proportion equation
3,961,406.54 : 5,466,763.76 = 2,329,882.67 : x - Step 2: Convert to fraction form
3,961,406.54/5,466,763.76 = 2,329,882.67/x - Step 3: Cross multiply
3,961,406.54x = 5,466,763.76 × 2,329,882.67 - Step 4: Simplify right side
3,961,406.54x = 12,736,918,106,424.81 - Step 5: Solve for x
x = 12,736,918,106,424.81/3,961,406.54 - Step 6: Final answer
x = 3,215,251.45
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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.