Finding the Fourth Proportional to 1,798,420.34, 2,698,959.12 and 851,791.08
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Solution
The fourth proportional to 1,798,420.34, 2,698,959.12 and 851,791.08 is: 1,278,315.89
Step by Step Solution
- Step 1: Write the proportion equation
1,798,420.34 : 2,698,959.12 = 851,791.08 : x - Step 2: Convert to fraction form
1,798,420.34/2,698,959.12 = 851,791.08/x - Step 3: Cross multiply
1,798,420.34x = 2,698,959.12 × 851,791.08 - Step 4: Simplify right side
1,798,420.34x = 2,298,949,303,700.65 - Step 5: Solve for x
x = 2,298,949,303,700.65/1,798,420.34 - Step 6: Final answer
x = 1,278,315.89
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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.