Finding the Fourth Proportional to 1,631,885.76, 2,447,828.16 and 509,954.88
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Solution
The fourth proportional to 1,631,885.76, 2,447,828.16 and 509,954.88 is: 764,932.17
Step by Step Solution
- Step 1: Write the proportion equation
1,631,885.76 : 2,447,828.16 = 509,954.88 : x - Step 2: Convert to fraction form
1,631,885.76/2,447,828.16 = 509,954.88/x - Step 3: Cross multiply
1,631,885.76x = 2,447,828.16 × 509,954.88 - Step 4: Simplify right side
1,631,885.76x = 1,248,281,915,593.42 - Step 5: Solve for x
x = 1,248,281,915,593.42/1,631,885.76 - Step 6: Final answer
x = 764,932.17
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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.