Finding the Fourth Proportional to 2,119,693.76, 3,179,062.99 and 603,343.08
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Solution
The fourth proportional to 2,119,693.76, 3,179,062.99 and 603,343.08 is: 904,878.66
Step by Step Solution
- Step 1: Write the proportion equation
2,119,693.76 : 3,179,062.99 = 603,343.08 : x - Step 2: Convert to fraction form
2,119,693.76/3,179,062.99 = 603,343.08/x - Step 3: Cross multiply
2,119,693.76x = 3,179,062.99 × 603,343.08 - Step 4: Simplify right side
2,119,693.76x = 1,918,065,656,654.79 - Step 5: Solve for x
x = 1,918,065,656,654.79/2,119,693.76 - Step 6: Final answer
x = 904,878.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.