Finding the Fourth Proportional to 1,585,157.16, 2,187,529.36 and 931,607.75
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Solution
The fourth proportional to 1,585,157.16, 2,187,529.36 and 931,607.75 is: 1,285,626.03
Step by Step Solution
- Step 1: Write the proportion equation
1,585,157.16 : 2,187,529.36 = 931,607.75 : x - Step 2: Convert to fraction form
1,585,157.16/2,187,529.36 = 931,607.75/x - Step 3: Cross multiply
1,585,157.16x = 2,187,529.36 × 931,607.75 - Step 4: Simplify right side
1,585,157.16x = 2,037,919,300,470.50 - Step 5: Solve for x
x = 2,037,919,300,470.50/1,585,157.16 - Step 6: Final answer
x = 1,285,626.03
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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.