Finding the Fourth Proportional to 3,720,608, 5,134,124.76 and 2,251,064.06
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Solution
The fourth proportional to 3,720,608, 5,134,124.76 and 2,251,064.06 is: 3,106,278.26
Step by Step Solution
- Step 1: Write the proportion equation
3,720,608 : 5,134,124.76 = 2,251,064.06 : x - Step 2: Convert to fraction form
3,720,608/5,134,124.76 = 2,251,064.06/x - Step 3: Cross multiply
3,720,608x = 5,134,124.76 × 2,251,064.06 - Step 4: Simplify right side
3,720,608x = 11,557,243,726,792.12 - Step 5: Solve for x
x = 11,557,243,726,792.12/3,720,608 - Step 6: Final answer
x = 3,106,278.26
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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.