Finding the Fourth Proportional to 2,154,417.53, 2,973,095.46 and 1,187,563.97
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Solution
The fourth proportional to 2,154,417.53, 2,973,095.46 and 1,187,563.97 is: 1,638,837.87
Step by Step Solution
- Step 1: Write the proportion equation
2,154,417.53 : 2,973,095.46 = 1,187,563.97 : x - Step 2: Convert to fraction form
2,154,417.53/2,973,095.46 = 1,187,563.97/x - Step 3: Cross multiply
2,154,417.53x = 2,973,095.46 × 1,187,563.97 - Step 4: Simplify right side
2,154,417.53x = 3,530,741,032,801.10 - Step 5: Solve for x
x = 3,530,741,032,801.10/2,154,417.53 - Step 6: Final answer
x = 1,638,837.87
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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.