Finding the Fourth Proportional to 1,544,079.98, 2,130,915.34 and 855,737.50
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Solution
The fourth proportional to 1,544,079.98, 2,130,915.34 and 855,737.50 is: 1,180,964.84
Step by Step Solution
- Step 1: Write the proportion equation
1,544,079.98 : 2,130,915.34 = 855,737.50 : x - Step 2: Convert to fraction form
1,544,079.98/2,130,915.34 = 855,737.50/x - Step 3: Cross multiply
1,544,079.98x = 2,130,915.34 × 855,737.50 - Step 4: Simplify right side
1,544,079.98x = 1,823,504,165,763.25 - Step 5: Solve for x
x = 1,823,504,165,763.25/1,544,079.98 - Step 6: Final answer
x = 1,180,964.84
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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.