Finding the Fourth Proportional to 3,798,278.76, 5,697,428.40 and 958,390.68
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Solution
The fourth proportional to 3,798,278.76, 5,697,428.40 and 958,390.68 is: 1,437,588.61
Step by Step Solution
- Step 1: Write the proportion equation
3,798,278.76 : 5,697,428.40 = 958,390.68 : x - Step 2: Convert to fraction form
3,798,278.76/5,697,428.40 = 958,390.68/x - Step 3: Cross multiply
3,798,278.76x = 5,697,428.40 × 958,390.68 - Step 4: Simplify right side
3,798,278.76x = 5,460,362,278,527.31 - Step 5: Solve for x
x = 5,460,362,278,527.31/3,798,278.76 - Step 6: Final answer
x = 1,437,588.61
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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.