Finding the Fourth Proportional to 3,430,710.98, 5,139,570.99 and 2,290,033.70
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Solution
The fourth proportional to 3,430,710.98, 5,139,570.99 and 2,290,033.70 is: 3,430,714.75
Step by Step Solution
- Step 1: Write the proportion equation
3,430,710.98 : 5,139,570.99 = 2,290,033.70 : x - Step 2: Convert to fraction form
3,430,710.98/5,139,570.99 = 2,290,033.70/x - Step 3: Cross multiply
3,430,710.98x = 5,139,570.99 × 2,290,033.70 - Step 4: Simplify right side
3,430,710.98x = 11,769,790,770,642.37 - Step 5: Solve for x
x = 11,769,790,770,642.37/3,430,710.98 - Step 6: Final answer
x = 3,430,714.75
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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.