Finding the Fourth Proportional to 1,427,126.40, 2,139,652.80 and 585,244.80
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Solution
The fourth proportional to 1,427,126.40, 2,139,652.80 and 585,244.80 is: 877,442.02
Step by Step Solution
- Step 1: Write the proportion equation
1,427,126.40 : 2,139,652.80 = 585,244.80 : x - Step 2: Convert to fraction form
1,427,126.40/2,139,652.80 = 585,244.80/x - Step 3: Cross multiply
1,427,126.40x = 2,139,652.80 × 585,244.80 - Step 4: Simplify right side
1,427,126.40x = 1,252,220,675,005.44 - Step 5: Solve for x
x = 1,252,220,675,005.44/1,427,126.40 - Step 6: Final answer
x = 877,442.02
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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.