Finding the Fourth Proportional to 5,225,681.99, 7,838,549.42 and 1,631,147.63
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Solution
The fourth proportional to 5,225,681.99, 7,838,549.42 and 1,631,147.63 is: 2,446,729.69
Step by Step Solution
- Step 1: Write the proportion equation
5,225,681.99 : 7,838,549.42 = 1,631,147.63 : x - Step 2: Convert to fraction form
5,225,681.99/7,838,549.42 = 1,631,147.63/x - Step 3: Cross multiply
5,225,681.99x = 7,838,549.42 × 1,631,147.63 - Step 4: Simplify right side
5,225,681.99x = 12,785,831,261,722.39 - Step 5: Solve for x
x = 12,785,831,261,722.39/5,225,681.99 - Step 6: Final answer
x = 2,446,729.69
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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.