Finding the Fourth Proportional to 5,124,647.08, 7,071,768.66 and 2,801,659.42
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Solution
The fourth proportional to 5,124,647.08, 7,071,768.66 and 2,801,659.42 is: 3,866,156.43
Step by Step Solution
- Step 1: Write the proportion equation
5,124,647.08 : 7,071,768.66 = 2,801,659.42 : x - Step 2: Convert to fraction form
5,124,647.08/7,071,768.66 = 2,801,659.42/x - Step 3: Cross multiply
5,124,647.08x = 7,071,768.66 × 2,801,659.42 - Step 4: Simplify right side
5,124,647.08x = 19,812,687,282,349.78 - Step 5: Solve for x
x = 19,812,687,282,349.78/5,124,647.08 - Step 6: Final answer
x = 3,866,156.43
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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.