Finding the Fourth Proportional to 2,137,741.44, 2,950,084.56 and 1,170,871.44
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Solution
The fourth proportional to 2,137,741.44, 2,950,084.56 and 1,170,871.44 is: 1,615,803.34
Step by Step Solution
- Step 1: Write the proportion equation
2,137,741.44 : 2,950,084.56 = 1,170,871.44 : x - Step 2: Convert to fraction form
2,137,741.44/2,950,084.56 = 1,170,871.44/x - Step 3: Cross multiply
2,137,741.44x = 2,950,084.56 × 1,170,871.44 - Step 4: Simplify right side
2,137,741.44x = 3,454,169,756,888.97 - Step 5: Solve for x
x = 3,454,169,756,888.97/2,137,741.44 - Step 6: Final answer
x = 1,615,803.34
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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.