Finding the Fourth Proportional to 5,119,305.48, 7,064,037.27 and 2,827,329.48
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Solution
The fourth proportional to 5,119,305.48, 7,064,037.27 and 2,827,329.48 is: 3,901,380.94
Step by Step Solution
- Step 1: Write the proportion equation
5,119,305.48 : 7,064,037.27 = 2,827,329.48 : x - Step 2: Convert to fraction form
5,119,305.48/7,064,037.27 = 2,827,329.48/x - Step 3: Cross multiply
5,119,305.48x = 7,064,037.27 × 2,827,329.48 - Step 4: Simplify right side
5,119,305.48x = 19,972,360,821,289.72 - Step 5: Solve for x
x = 19,972,360,821,289.72/5,119,305.48 - Step 6: Final answer
x = 3,901,380.94
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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.