Finding the Fourth Proportional to 1,536,432.48, 2,120,277.21 and 848,104.73
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Solution
The fourth proportional to 1,536,432.48, 2,120,277.21 and 848,104.73 is: 1,170,384.74
Step by Step Solution
- Step 1: Write the proportion equation
1,536,432.48 : 2,120,277.21 = 848,104.73 : x - Step 2: Convert to fraction form
1,536,432.48/2,120,277.21 = 848,104.73/x - Step 3: Cross multiply
1,536,432.48x = 2,120,277.21 × 848,104.73 - Step 4: Simplify right side
1,536,432.48x = 1,798,217,132,832.50 - Step 5: Solve for x
x = 1,798,217,132,832.50/1,536,432.48 - Step 6: Final answer
x = 1,170,384.74
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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.