Finding the Fourth Proportional to 2,480,478.66, 3,423,096.45 and 1,392,985.62
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Solution
The fourth proportional to 2,480,478.66, 3,423,096.45 and 1,392,985.62 is: 1,922,340.32
Step by Step Solution
- Step 1: Write the proportion equation
2,480,478.66 : 3,423,096.45 = 1,392,985.62 : x - Step 2: Convert to fraction form
2,480,478.66/3,423,096.45 = 1,392,985.62/x - Step 3: Cross multiply
2,480,478.66x = 3,423,096.45 × 1,392,985.62 - Step 4: Simplify right side
2,480,478.66x = 4,768,324,130,723.05 - Step 5: Solve for x
x = 4,768,324,130,723.05/2,480,478.66 - Step 6: Final answer
x = 1,922,340.32
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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.