Finding the Fourth Proportional to 1,889,922.56, 2,608,725.12 and 1,126,215.68
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Solution
The fourth proportional to 1,889,922.56, 2,608,725.12 and 1,126,215.68 is: 1,554,554.24
Step by Step Solution
- Step 1: Write the proportion equation
1,889,922.56 : 2,608,725.12 = 1,126,215.68 : x - Step 2: Convert to fraction form
1,889,922.56/2,608,725.12 = 1,126,215.68/x - Step 3: Cross multiply
1,889,922.56x = 2,608,725.12 × 1,126,215.68 - Step 4: Simplify right side
1,889,922.56x = 2,937,987,134,953.88 - Step 5: Solve for x
x = 2,937,987,134,953.88/1,889,922.56 - Step 6: Final answer
x = 1,554,554.24
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.