Finding the Fourth Proportional to 4,959,570.80, 7,428,029.90 and 2,367,698.75
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Solution
The fourth proportional to 4,959,570.80, 7,428,029.90 and 2,367,698.75 is: 3,546,140.95
Step by Step Solution
- Step 1: Write the proportion equation
4,959,570.80 : 7,428,029.90 = 2,367,698.75 : x - Step 2: Convert to fraction form
4,959,570.80/7,428,029.90 = 2,367,698.75/x - Step 3: Cross multiply
4,959,570.80x = 7,428,029.90 × 2,367,698.75 - Step 4: Simplify right side
4,959,570.80x = 17,587,337,097,354.13 - Step 5: Solve for x
x = 17,587,337,097,354.13/4,959,570.80 - Step 6: Final answer
x = 3,546,140.95
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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.