Finding the Fourth Proportional to 1,589,140.40, 2,193,059.16 and 968,981.84
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Solution
The fourth proportional to 1,589,140.40, 2,193,059.16 and 968,981.84 is: 1,337,222.63
Step by Step Solution
- Step 1: Write the proportion equation
1,589,140.40 : 2,193,059.16 = 968,981.84 : x - Step 2: Convert to fraction form
1,589,140.40/2,193,059.16 = 968,981.84/x - Step 3: Cross multiply
1,589,140.40x = 2,193,059.16 × 968,981.84 - Step 4: Simplify right side
1,589,140.40x = 2,125,034,500,085.65 - Step 5: Solve for x
x = 2,125,034,500,085.65/1,589,140.40 - Step 6: Final answer
x = 1,337,222.63
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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.