Finding the Fourth Proportional to 1,762,681.68, 2,433,244.80 and 1,190,496.87
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Solution
The fourth proportional to 1,762,681.68, 2,433,244.80 and 1,190,496.87 is: 1,643,388.23
Step by Step Solution
- Step 1: Write the proportion equation
1,762,681.68 : 2,433,244.80 = 1,190,496.87 : x - Step 2: Convert to fraction form
1,762,681.68/2,433,244.80 = 1,190,496.87/x - Step 3: Cross multiply
1,762,681.68x = 2,433,244.80 × 1,190,496.87 - Step 4: Simplify right side
1,762,681.68x = 2,896,770,318,343.78 - Step 5: Solve for x
x = 2,896,770,318,343.78/1,762,681.68 - Step 6: Final answer
x = 1,643,388.23
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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.