Finding the Fourth Proportional to 1,575,121.80, 2,363,059.08 and 510,165.12
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Solution
The fourth proportional to 1,575,121.80, 2,363,059.08 and 510,165.12 is: 765,369.59
Step by Step Solution
- Step 1: Write the proportion equation
1,575,121.80 : 2,363,059.08 = 510,165.12 : x - Step 2: Convert to fraction form
1,575,121.80/2,363,059.08 = 510,165.12/x - Step 3: Cross multiply
1,575,121.80x = 2,363,059.08 × 510,165.12 - Step 4: Simplify right side
1,575,121.80x = 1,205,550,319,115.29 - Step 5: Solve for x
x = 1,205,550,319,115.29/1,575,121.80 - Step 6: Final answer
x = 765,369.59
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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.