Finding the Fourth Proportional to 4,435,765.52, 6,121,349.16 and 2,502,020.12
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Solution
The fourth proportional to 4,435,765.52, 6,121,349.16 and 2,502,020.12 is: 3,452,783.67
Step by Step Solution
- Step 1: Write the proportion equation
4,435,765.52 : 6,121,349.16 = 2,502,020.12 : x - Step 2: Convert to fraction form
4,435,765.52/6,121,349.16 = 2,502,020.12/x - Step 3: Cross multiply
4,435,765.52x = 6,121,349.16 × 2,502,020.12 - Step 4: Simplify right side
4,435,765.52x = 15,315,738,759,865.10 - Step 5: Solve for x
x = 15,315,738,759,865.10/4,435,765.52 - Step 6: Final answer
x = 3,452,783.67
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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.