Finding the Fourth Proportional to 1,449,370.92, 2,000,316.40 and 876,415.20
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Solution
The fourth proportional to 1,449,370.92, 2,000,316.40 and 876,415.20 is: 1,209,564.56
Step by Step Solution
- Step 1: Write the proportion equation
1,449,370.92 : 2,000,316.40 = 876,415.20 : x - Step 2: Convert to fraction form
1,449,370.92/2,000,316.40 = 876,415.20/x - Step 3: Cross multiply
1,449,370.92x = 2,000,316.40 × 876,415.20 - Step 4: Simplify right side
1,449,370.92x = 1,753,107,697,769.28 - Step 5: Solve for x
x = 1,753,107,697,769.28/1,449,370.92 - Step 6: Final answer
x = 1,209,564.56
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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.