Finding the Fourth Proportional to 2,731,281.24, 3,769,168.33 and 1,507,587.07
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Solution
The fourth proportional to 2,731,281.24, 3,769,168.33 and 1,507,587.07 is: 2,080,470.28
Step by Step Solution
- Step 1: Write the proportion equation
2,731,281.24 : 3,769,168.33 = 1,507,587.07 : x - Step 2: Convert to fraction form
2,731,281.24/3,769,168.33 = 1,507,587.07/x - Step 3: Cross multiply
2,731,281.24x = 3,769,168.33 × 1,507,587.07 - Step 4: Simplify right side
2,731,281.24x = 5,682,349,438,961.49 - Step 5: Solve for x
x = 5,682,349,438,961.49/2,731,281.24 - Step 6: Final answer
x = 2,080,470.28
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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.