Finding the Fourth Proportional to 1,621,276.19, 2,237,370.06 and 886,231.58
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Solution
The fourth proportional to 1,621,276.19, 2,237,370.06 and 886,231.58 is: 1,223,004.46
Step by Step Solution
- Step 1: Write the proportion equation
1,621,276.19 : 2,237,370.06 = 886,231.58 : x - Step 2: Convert to fraction form
1,621,276.19/2,237,370.06 = 886,231.58/x - Step 3: Cross multiply
1,621,276.19x = 2,237,370.06 × 886,231.58 - Step 4: Simplify right side
1,621,276.19x = 1,982,828,003,318.50 - Step 5: Solve for x
x = 1,982,828,003,318.50/1,621,276.19 - Step 6: Final answer
x = 1,223,004.46
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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.