Finding the Fourth Proportional to 2,021,130.90, 3,031,696.35 and 1,821,840.53
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Solution
The fourth proportional to 2,021,130.90, 3,031,696.35 and 1,821,840.53 is: 2,732,760.79
Step by Step Solution
- Step 1: Write the proportion equation
2,021,130.90 : 3,031,696.35 = 1,821,840.53 : x - Step 2: Convert to fraction form
2,021,130.90/3,031,696.35 = 1,821,840.53/x - Step 3: Cross multiply
2,021,130.90x = 3,031,696.35 × 1,821,840.53 - Step 4: Simplify right side
2,021,130.90x = 5,523,267,269,924.58 - Step 5: Solve for x
x = 5,523,267,269,924.58/2,021,130.90 - Step 6: Final answer
x = 2,732,760.79
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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.