Finding the Fourth Proportional to 1,515,220.80, 2,271,256.80 and 616,276.80
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Solution
The fourth proportional to 1,515,220.80, 2,271,256.80 and 616,276.80 is: 923,774.85
Step by Step Solution
- Step 1: Write the proportion equation
1,515,220.80 : 2,271,256.80 = 616,276.80 : x - Step 2: Convert to fraction form
1,515,220.80/2,271,256.80 = 616,276.80/x - Step 3: Cross multiply
1,515,220.80x = 2,271,256.80 × 616,276.80 - Step 4: Simplify right side
1,515,220.80x = 1,399,722,872,682.24 - Step 5: Solve for x
x = 1,399,722,872,682.24/1,515,220.80 - Step 6: Final answer
x = 923,774.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.