Finding the Fourth Proportional to 2,679,984.07, 3,698,077.79 and 1,518,181.44
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Solution
The fourth proportional to 2,679,984.07, 3,698,077.79 and 1,518,181.44 is: 2,094,920.31
Step by Step Solution
- Step 1: Write the proportion equation
2,679,984.07 : 3,698,077.79 = 1,518,181.44 : x - Step 2: Convert to fraction form
2,679,984.07/3,698,077.79 = 1,518,181.44/x - Step 3: Cross multiply
2,679,984.07x = 3,698,077.79 × 1,518,181.44 - Step 4: Simplify right side
2,679,984.07x = 5,614,353,056,863.31 - Step 5: Solve for x
x = 5,614,353,056,863.31/2,679,984.07 - Step 6: Final answer
x = 2,094,920.31
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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.