Finding the Fourth Proportional to 5,431,555.36, 8,136,572.76 and 3,721,496.32
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Solution
The fourth proportional to 5,431,555.36, 8,136,572.76 and 3,721,496.32 is: 5,574,871.94
Step by Step Solution
- Step 1: Write the proportion equation
5,431,555.36 : 8,136,572.76 = 3,721,496.32 : x - Step 2: Convert to fraction form
5,431,555.36/8,136,572.76 = 3,721,496.32/x - Step 3: Cross multiply
5,431,555.36x = 8,136,572.76 × 3,721,496.32 - Step 4: Simplify right side
5,431,555.36x = 30,280,225,583,752.24 - Step 5: Solve for x
x = 30,280,225,583,752.24/5,431,555.36 - Step 6: Final answer
x = 5,574,871.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.