Finding the Fourth Proportional to 5,183,232.34, 7,153,012.40 and 2,828,581.81
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Solution
The fourth proportional to 5,183,232.34, 7,153,012.40 and 2,828,581.81 is: 3,903,525.72
Step by Step Solution
- Step 1: Write the proportion equation
5,183,232.34 : 7,153,012.40 = 2,828,581.81 : x - Step 2: Convert to fraction form
5,183,232.34/7,153,012.40 = 2,828,581.81/x - Step 3: Cross multiply
5,183,232.34x = 7,153,012.40 × 2,828,581.81 - Step 4: Simplify right side
5,183,232.34x = 20,232,880,761,344.45 - Step 5: Solve for x
x = 20,232,880,761,344.45/5,183,232.34 - Step 6: Final answer
x = 3,903,525.72
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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.