Finding the Fourth Proportional to 2,131,887.04, 2,942,042.58 and 1,165,058.08
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Solution
The fourth proportional to 2,131,887.04, 2,942,042.58 and 1,165,058.08 is: 1,607,801.17
Step by Step Solution
- Step 1: Write the proportion equation
2,131,887.04 : 2,942,042.58 = 1,165,058.08 : x - Step 2: Convert to fraction form
2,131,887.04/2,942,042.58 = 1,165,058.08/x - Step 3: Cross multiply
2,131,887.04x = 2,942,042.58 × 1,165,058.08 - Step 4: Simplify right side
2,131,887.04x = 3,427,650,479,533.05 - Step 5: Solve for x
x = 3,427,650,479,533.05/2,131,887.04 - Step 6: Final answer
x = 1,607,801.17
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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.