Finding the Fourth Proportional to 1,589,885.88, 2,194,040.94 and 910,825.08
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Solution
The fourth proportional to 1,589,885.88, 2,194,040.94 and 910,825.08 is: 1,256,937.71
Step by Step Solution
- Step 1: Write the proportion equation
1,589,885.88 : 2,194,040.94 = 910,825.08 : x - Step 2: Convert to fraction form
1,589,885.88/2,194,040.94 = 910,825.08/x - Step 3: Cross multiply
1,589,885.88x = 2,194,040.94 × 910,825.08 - Step 4: Simplify right side
1,589,885.88x = 1,998,387,514,698.78 - Step 5: Solve for x
x = 1,998,387,514,698.78/1,589,885.88 - Step 6: Final answer
x = 1,256,937.71
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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.