Finding the Fourth Proportional to 2,783,999.70, 4,182,220.35 and 2,678,246.10
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Solution
The fourth proportional to 2,783,999.70, 4,182,220.35 and 2,678,246.10 is: 4,023,353.65
Step by Step Solution
- Step 1: Write the proportion equation
2,783,999.70 : 4,182,220.35 = 2,678,246.10 : x - Step 2: Convert to fraction form
2,783,999.70/4,182,220.35 = 2,678,246.10/x - Step 3: Cross multiply
2,783,999.70x = 4,182,220.35 × 2,678,246.10 - Step 4: Simplify right side
2,783,999.70x = 11,201,015,341,728.13 - Step 5: Solve for x
x = 11,201,015,341,728.13/2,783,999.70 - Step 6: Final answer
x = 4,023,353.65
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1.5x scale
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.