Finding the Fourth Proportional to 1,628,525.70, 2,445,121.35 and 919,937.70
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Solution
The fourth proportional to 1,628,525.70, 2,445,121.35 and 919,937.70 is: 1,381,224.33
Step by Step Solution
- Step 1: Write the proportion equation
1,628,525.70 : 2,445,121.35 = 919,937.70 : x - Step 2: Convert to fraction form
1,628,525.70/2,445,121.35 = 919,937.70/x - Step 3: Cross multiply
1,628,525.70x = 2,445,121.35 × 919,937.70 - Step 4: Simplify right side
1,628,525.70x = 2,249,359,310,939.90 - Step 5: Solve for x
x = 2,249,359,310,939.90/1,628,525.70 - Step 6: Final answer
x = 1,381,224.33
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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.