Finding the Fourth Proportional to 2,056,276.47, 2,837,750.22 and 1,138,505.64
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Solution
The fourth proportional to 2,056,276.47, 2,837,750.22 and 1,138,505.64 is: 1,571,186.89
Step by Step Solution
- Step 1: Write the proportion equation
2,056,276.47 : 2,837,750.22 = 1,138,505.64 : x - Step 2: Convert to fraction form
2,056,276.47/2,837,750.22 = 1,138,505.64/x - Step 3: Cross multiply
2,056,276.47x = 2,837,750.22 × 1,138,505.64 - Step 4: Simplify right side
2,056,276.47x = 3,230,794,630,381.24 - Step 5: Solve for x
x = 3,230,794,630,381.24/2,056,276.47 - Step 6: Final answer
x = 1,571,186.89
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1.5x scale
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.