Finding the Fourth Proportional to 2,353,878.36, 3,247,516.68 and 1,538,552.88
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Solution
The fourth proportional to 2,353,878.36, 3,247,516.68 and 1,538,552.88 is: 2,122,656.90
Step by Step Solution
- Step 1: Write the proportion equation
2,353,878.36 : 3,247,516.68 = 1,538,552.88 : x - Step 2: Convert to fraction form
2,353,878.36/3,247,516.68 = 1,538,552.88/x - Step 3: Cross multiply
2,353,878.36x = 3,247,516.68 × 1,538,552.88 - Step 4: Simplify right side
2,353,878.36x = 4,996,476,140,862.04 - Step 5: Solve for x
x = 4,996,476,140,862.04/2,353,878.36 - Step 6: Final answer
x = 2,122,656.90
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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.