Finding the Fourth Proportional to 2,591,292.36, 3,575,988.90 and 1,445,343.24
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Solution
The fourth proportional to 2,591,292.36, 3,575,988.90 and 1,445,343.24 is: 1,994,576.71
Step by Step Solution
- Step 1: Write the proportion equation
2,591,292.36 : 3,575,988.90 = 1,445,343.24 : x - Step 2: Convert to fraction form
2,591,292.36/3,575,988.90 = 1,445,343.24/x - Step 3: Cross multiply
2,591,292.36x = 3,575,988.90 × 1,445,343.24 - Step 4: Simplify right side
2,591,292.36x = 5,168,531,382,930.04 - Step 5: Solve for x
x = 5,168,531,382,930.04/2,591,292.36 - Step 6: Final answer
x = 1,994,576.71
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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.