Finding the Fourth Proportional to 2,130,204.80, 3,197,121.60 and 868,937.60
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Solution
The fourth proportional to 2,130,204.80, 3,197,121.60 and 868,937.60 is: 1,304,146.52
Step by Step Solution
- Step 1: Write the proportion equation
2,130,204.80 : 3,197,121.60 = 868,937.60 : x - Step 2: Convert to fraction form
2,130,204.80/3,197,121.60 = 868,937.60/x - Step 3: Cross multiply
2,130,204.80x = 3,197,121.60 × 868,937.60 - Step 4: Simplify right side
2,130,204.80x = 2,778,099,170,012.16 - Step 5: Solve for x
x = 2,778,099,170,012.16/2,130,204.80 - Step 6: Final answer
x = 1,304,146.52
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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.