Finding the Fourth Proportional to 2,271,975.09, 3,135,334.43 and 1,239,506.07
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Solution
The fourth proportional to 2,271,975.09, 3,135,334.43 and 1,239,506.07 is: 1,710,523.18
Step by Step Solution
- Step 1: Write the proportion equation
2,271,975.09 : 3,135,334.43 = 1,239,506.07 : x - Step 2: Convert to fraction form
2,271,975.09/3,135,334.43 = 1,239,506.07/x - Step 3: Cross multiply
2,271,975.09x = 3,135,334.43 × 1,239,506.07 - Step 4: Simplify right side
2,271,975.09x = 3,886,266,060,563.76 - Step 5: Solve for x
x = 3,886,266,060,563.76/2,271,975.09 - Step 6: Final answer
x = 1,710,523.18
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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.