Finding the Fourth Proportional to 2,102,013.20, 2,900,781 and 1,196,594
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Solution
The fourth proportional to 2,102,013.20, 2,900,781 and 1,196,594 is: 1,651,301.30
Step by Step Solution
- Step 1: Write the proportion equation
2,102,013.20 : 2,900,781 = 1,196,594 : x - Step 2: Convert to fraction form
2,102,013.20/2,900,781 = 1,196,594/x - Step 3: Cross multiply
2,102,013.20x = 2,900,781 × 1,196,594 - Step 4: Simplify right side
2,102,013.20x = 3,471,057,139,914 - Step 5: Solve for x
x = 3,471,057,139,914/2,102,013.20 - Step 6: Final answer
x = 1,651,301.30
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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.