Finding the Fourth Proportional to 1,855,173.16, 2,560,409.58 and 1,039,432.24
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Solution
The fourth proportional to 1,855,173.16, 2,560,409.58 and 1,039,432.24 is: 1,434,568.12
Step by Step Solution
- Step 1: Write the proportion equation
1,855,173.16 : 2,560,409.58 = 1,039,432.24 : x - Step 2: Convert to fraction form
1,855,173.16/2,560,409.58 = 1,039,432.24/x - Step 3: Cross multiply
1,855,173.16x = 2,560,409.58 × 1,039,432.24 - Step 4: Simplify right side
1,855,173.16x = 2,661,372,265,056.86 - Step 5: Solve for x
x = 2,661,372,265,056.86/1,855,173.16 - Step 6: Final answer
x = 1,434,568.12
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1.5x scale
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.