Finding the Fourth Proportional to 1,445,541.44, 2,168,115.32 and 380,494.31
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Solution
The fourth proportional to 1,445,541.44, 2,168,115.32 and 380,494.31 is: 570,689.65
Step by Step Solution
- Step 1: Write the proportion equation
1,445,541.44 : 2,168,115.32 = 380,494.31 : x - Step 2: Convert to fraction form
1,445,541.44/2,168,115.32 = 380,494.31/x - Step 3: Cross multiply
1,445,541.44x = 2,168,115.32 × 380,494.31 - Step 4: Simplify right side
1,445,541.44x = 824,955,532,794.49 - Step 5: Solve for x
x = 824,955,532,794.49/1,445,541.44 - Step 6: Final answer
x = 570,689.65
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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.