Finding the Fourth Proportional to 4,189,440.54, 5,781,432.84 and 2,378,604.54
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Solution
The fourth proportional to 4,189,440.54, 5,781,432.84 and 2,378,604.54 is: 3,282,477.04
Step by Step Solution
- Step 1: Write the proportion equation
4,189,440.54 : 5,781,432.84 = 2,378,604.54 : x - Step 2: Convert to fraction form
4,189,440.54/5,781,432.84 = 2,378,604.54/x - Step 3: Cross multiply
4,189,440.54x = 5,781,432.84 × 2,378,604.54 - Step 4: Simplify right side
4,189,440.54x = 13,751,742,400,929.09 - Step 5: Solve for x
x = 13,751,742,400,929.09/4,189,440.54 - Step 6: Final answer
x = 3,282,477.04
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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.