Finding the Fourth Proportional to 1,449,416.02, 2,000,378.67 and 876,460.30
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Solution
The fourth proportional to 1,449,416.02, 2,000,378.67 and 876,460.30 is: 1,209,626.82
Step by Step Solution
- Step 1: Write the proportion equation
1,449,416.02 : 2,000,378.67 = 876,460.30 : x - Step 2: Convert to fraction form
1,449,416.02/2,000,378.67 = 876,460.30/x - Step 3: Cross multiply
1,449,416.02x = 2,000,378.67 × 876,460.30 - Step 4: Simplify right side
1,449,416.02x = 1,753,252,489,221.80 - Step 5: Solve for x
x = 1,753,252,489,221.80/1,449,416.02 - Step 6: Final answer
x = 1,209,626.82
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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.