Finding the Fourth Proportional to 1,543,874.64, 2,130,522.12 and 864,809.04
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Solution
The fourth proportional to 1,543,874.64, 2,130,522.12 and 864,809.04 is: 1,193,422.54
Step by Step Solution
- Step 1: Write the proportion equation
1,543,874.64 : 2,130,522.12 = 864,809.04 : x - Step 2: Convert to fraction form
1,543,874.64/2,130,522.12 = 864,809.04/x - Step 3: Cross multiply
1,543,874.64x = 2,130,522.12 × 864,809.04 - Step 4: Simplify right side
1,543,874.64x = 1,842,494,789,295.97 - Step 5: Solve for x
x = 1,842,494,789,295.97/1,543,874.64 - Step 6: Final answer
x = 1,193,422.54
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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.