Finding the Fourth Proportional to 2,273,820.24, 3,137,789.70 and 1,255,203.12
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Solution
The fourth proportional to 2,273,820.24, 3,137,789.70 and 1,255,203.12 is: 1,732,134.91
Step by Step Solution
- Step 1: Write the proportion equation
2,273,820.24 : 3,137,789.70 = 1,255,203.12 : x - Step 2: Convert to fraction form
2,273,820.24/3,137,789.70 = 1,255,203.12/x - Step 3: Cross multiply
2,273,820.24x = 3,137,789.70 × 1,255,203.12 - Step 4: Simplify right side
2,273,820.24x = 3,938,563,421,343.87 - Step 5: Solve for x
x = 3,938,563,421,343.87/2,273,820.24 - Step 6: Final answer
x = 1,732,134.91
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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.