Finding the Fourth Proportional to 2,154,192.94, 2,972,771.36 and 1,187,323.75
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Solution
The fourth proportional to 2,154,192.94, 2,972,771.36 and 1,187,323.75 is: 1,638,498.56
Step by Step Solution
- Step 1: Write the proportion equation
2,154,192.94 : 2,972,771.36 = 1,187,323.75 : x - Step 2: Convert to fraction form
2,154,192.94/2,972,771.36 = 1,187,323.75/x - Step 3: Cross multiply
2,154,192.94x = 2,972,771.36 × 1,187,323.75 - Step 4: Simplify right side
2,154,192.94x = 3,529,642,024,183.94 - Step 5: Solve for x
x = 3,529,642,024,183.94/2,154,192.94 - Step 6: Final answer
x = 1,638,498.56
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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.