Finding the Fourth Proportional to 2,877,997.36, 3,971,972.28 and 2,393,708.08
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Solution
The fourth proportional to 2,877,997.36, 3,971,972.28 and 2,393,708.08 is: 3,303,596.55
Step by Step Solution
- Step 1: Write the proportion equation
2,877,997.36 : 3,971,972.28 = 2,393,708.08 : x - Step 2: Convert to fraction form
2,877,997.36/3,971,972.28 = 2,393,708.08/x - Step 3: Cross multiply
2,877,997.36x = 3,971,972.28 × 2,393,708.08 - Step 4: Simplify right side
2,877,997.36x = 9,507,742,140,172.02 - Step 5: Solve for x
x = 9,507,742,140,172.02/2,877,997.36 - Step 6: Final answer
x = 3,303,596.55
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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.