Finding the Fourth Proportional to 5,486,844.51, 7,571,763.63 and 3,039,448.14
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Solution
The fourth proportional to 5,486,844.51, 7,571,763.63 and 3,039,448.14 is: 4,194,393.12
Step by Step Solution
- Step 1: Write the proportion equation
5,486,844.51 : 7,571,763.63 = 3,039,448.14 : x - Step 2: Convert to fraction form
5,486,844.51/7,571,763.63 = 3,039,448.14/x - Step 3: Cross multiply
5,486,844.51x = 7,571,763.63 × 3,039,448.14 - Step 4: Simplify right side
5,486,844.51x = 23,013,982,881,723.15 - Step 5: Solve for x
x = 23,013,982,881,723.15/5,486,844.51 - Step 6: Final answer
x = 4,194,393.12
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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.