Finding the Fourth Proportional to 1,621,397.92, 2,237,529.62 and 886,355.39
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Solution
The fourth proportional to 1,621,397.92, 2,237,529.62 and 886,355.39 is: 1,223,170.71
Step by Step Solution
- Step 1: Write the proportion equation
1,621,397.92 : 2,237,529.62 = 886,355.39 : x - Step 2: Convert to fraction form
1,621,397.92/2,237,529.62 = 886,355.39/x - Step 3: Cross multiply
1,621,397.92x = 2,237,529.62 × 886,355.39 - Step 4: Simplify right side
1,621,397.92x = 1,983,246,438,971.65 - Step 5: Solve for x
x = 1,983,246,438,971.65/1,621,397.92 - Step 6: Final answer
x = 1,223,170.71
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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.