Finding the Fourth Proportional to 2,126,438.24, 2,934,555.64 and 1,159,621.44
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Solution
The fourth proportional to 2,126,438.24, 2,934,555.64 and 1,159,621.44 is: 1,600,316.23
Step by Step Solution
- Step 1: Write the proportion equation
2,126,438.24 : 2,934,555.64 = 1,159,621.44 : x - Step 2: Convert to fraction form
2,126,438.24/2,934,555.64 = 1,159,621.44/x - Step 3: Cross multiply
2,126,438.24x = 2,934,555.64 × 1,159,621.44 - Step 4: Simplify right side
2,126,438.24x = 3,402,973,637,016.92 - Step 5: Solve for x
x = 3,402,973,637,016.92/2,126,438.24 - Step 6: Final answer
x = 1,600,316.23
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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.