Finding the Fourth Proportional to 2,754,029.60, 4,131,044.40 and 861,351.20
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Solution
The fourth proportional to 2,754,029.60, 4,131,044.40 and 861,351.20 is: 1,292,026.80
Step by Step Solution
- Step 1: Write the proportion equation
2,754,029.60 : 4,131,044.40 = 861,351.20 : x - Step 2: Convert to fraction form
2,754,029.60/4,131,044.40 = 861,351.20/x - Step 3: Cross multiply
2,754,029.60x = 4,131,044.40 × 861,351.20 - Step 4: Simplify right side
2,754,029.60x = 3,558,280,051,193.28 - Step 5: Solve for x
x = 3,558,280,051,193.28/2,754,029.60 - Step 6: Final answer
x = 1,292,026.80
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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.