Finding the Fourth Proportional to 1,540,272.24, 2,124,924.82 and 1,031,138.64
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Solution
The fourth proportional to 1,540,272.24, 2,124,924.82 and 1,031,138.64 is: 1,422,535.60
Step by Step Solution
- Step 1: Write the proportion equation
1,540,272.24 : 2,124,924.82 = 1,031,138.64 : x - Step 2: Convert to fraction form
1,540,272.24/2,124,924.82 = 1,031,138.64/x - Step 3: Cross multiply
1,540,272.24x = 2,124,924.82 × 1,031,138.64 - Step 4: Simplify right side
1,540,272.24x = 2,191,092,088,997.04 - Step 5: Solve for x
x = 2,191,092,088,997.04/1,540,272.24 - Step 6: Final answer
x = 1,422,535.60
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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.