Finding the Fourth Proportional to 1,540,258.57, 2,124,905.97 and 1,031,124.97
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Solution
The fourth proportional to 1,540,258.57, 2,124,905.97 and 1,031,124.97 is: 1,422,516.74
Step by Step Solution
- Step 1: Write the proportion equation
1,540,258.57 : 2,124,905.97 = 1,031,124.97 : x - Step 2: Convert to fraction form
1,540,258.57/2,124,905.97 = 1,031,124.97/x - Step 3: Cross multiply
1,540,258.57x = 2,124,905.97 × 1,031,124.97 - Step 4: Simplify right side
1,540,258.57x = 2,191,043,601,834.62 - Step 5: Solve for x
x = 2,191,043,601,834.62/1,540,258.57 - Step 6: Final answer
x = 1,422,516.74
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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.