Finding the Fourth Proportional to 3,080,242.24, 4,249,027.80 and 1,790,940.12
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Solution
The fourth proportional to 3,080,242.24, 4,249,027.80 and 1,790,940.12 is: 2,470,505.16
Step by Step Solution
- Step 1: Write the proportion equation
3,080,242.24 : 4,249,027.80 = 1,790,940.12 : x - Step 2: Convert to fraction form
3,080,242.24/4,249,027.80 = 1,790,940.12/x - Step 3: Cross multiply
3,080,242.24x = 4,249,027.80 × 1,790,940.12 - Step 4: Simplify right side
3,080,242.24x = 7,609,754,358,015.34 - Step 5: Solve for x
x = 7,609,754,358,015.34/3,080,242.24 - Step 6: Final answer
x = 2,470,505.16
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.