Finding the Fourth Proportional to 2,697,739.56, 3,720,349.95 and 1,731,174.12
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Solution
The fourth proportional to 2,697,739.56, 3,720,349.95 and 1,731,174.12 is: 2,387,396.34
Step by Step Solution
- Step 1: Write the proportion equation
2,697,739.56 : 3,720,349.95 = 1,731,174.12 : x - Step 2: Convert to fraction form
2,697,739.56/3,720,349.95 = 1,731,174.12/x - Step 3: Cross multiply
2,697,739.56x = 3,720,349.95 × 1,731,174.12 - Step 4: Simplify right side
2,697,739.56x = 6,440,573,550,783.30 - Step 5: Solve for x
x = 6,440,573,550,783.30/2,697,739.56 - Step 6: Final answer
x = 2,387,396.34
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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.