Finding the Fourth Proportional to 1,536,212.80, 2,119,955.52 and 847,889.92
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Solution
The fourth proportional to 1,536,212.80, 2,119,955.52 and 847,889.92 is: 1,170,078.08
Step by Step Solution
- Step 1: Write the proportion equation
1,536,212.80 : 2,119,955.52 = 847,889.92 : x - Step 2: Convert to fraction form
1,536,212.80/2,119,955.52 = 847,889.92/x - Step 3: Cross multiply
1,536,212.80x = 2,119,955.52 × 847,889.92 - Step 4: Simplify right side
1,536,212.80x = 1,797,488,916,256.36 - Step 5: Solve for x
x = 1,797,488,916,256.36/1,536,212.80 - Step 6: Final answer
x = 1,170,078.08
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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.