Finding the Fourth Proportional to 2,115,179.83, 2,918,982.08 and 1,148,309.36
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Solution
The fourth proportional to 2,115,179.83, 2,918,982.08 and 1,148,309.36 is: 1,584,685.33
Step by Step Solution
- Step 1: Write the proportion equation
2,115,179.83 : 2,918,982.08 = 1,148,309.36 : x - Step 2: Convert to fraction form
2,115,179.83/2,918,982.08 = 1,148,309.36/x - Step 3: Cross multiply
2,115,179.83x = 2,918,982.08 × 1,148,309.36 - Step 4: Simplify right side
2,115,179.83x = 3,351,894,432,412.13 - Step 5: Solve for x
x = 3,351,894,432,412.13/2,115,179.83 - Step 6: Final answer
x = 1,584,685.33
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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.