Finding the Fourth Proportional to 2,154,717.10, 2,973,542.57 and 1,174,656.79
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Solution
The fourth proportional to 2,154,717.10, 2,973,542.57 and 1,174,656.79 is: 1,621,044.35
Step by Step Solution
- Step 1: Write the proportion equation
2,154,717.10 : 2,973,542.57 = 1,174,656.79 : x - Step 2: Convert to fraction form
2,154,717.10/2,973,542.57 = 1,174,656.79/x - Step 3: Cross multiply
2,154,717.10x = 2,973,542.57 × 1,174,656.79 - Step 4: Simplify right side
2,154,717.10x = 3,492,891,972,453.16 - Step 5: Solve for x
x = 3,492,891,972,453.16/2,154,717.10 - Step 6: Final answer
x = 1,621,044.35
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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.