Finding the Fourth Proportional to 2,991,598.92, 4,128,390.18 and 1,633,462.20
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Solution
The fourth proportional to 2,991,598.92, 4,128,390.18 and 1,633,462.20 is: 2,254,168.92
Step by Step Solution
- Step 1: Write the proportion equation
2,991,598.92 : 4,128,390.18 = 1,633,462.20 : x - Step 2: Convert to fraction form
2,991,598.92/4,128,390.18 = 1,633,462.20/x - Step 3: Cross multiply
2,991,598.92x = 4,128,390.18 × 1,633,462.20 - Step 4: Simplify right side
2,991,598.92x = 6,743,569,305,881.20 - Step 5: Solve for x
x = 6,743,569,305,881.20/2,991,598.92 - Step 6: Final answer
x = 2,254,168.92
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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.