Finding the Fourth Proportional to 1,115,915.13, 1,673,626.66 and 546,731.98
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Solution
The fourth proportional to 1,115,915.13, 1,673,626.66 and 546,731.98 is: 819,977.42
Step by Step Solution
- Step 1: Write the proportion equation
1,115,915.13 : 1,673,626.66 = 546,731.98 : x - Step 2: Convert to fraction form
1,115,915.13/1,673,626.66 = 546,731.98/x - Step 3: Cross multiply
1,115,915.13x = 1,673,626.66 × 546,731.98 - Step 4: Simplify right side
1,115,915.13x = 915,025,212,051.69 - Step 5: Solve for x
x = 915,025,212,051.69/1,115,915.13 - Step 6: Final answer
x = 819,977.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.