Finding the Fourth Proportional to 1,492,890.06, 2,239,335.09 and 495,618.06
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Solution
The fourth proportional to 1,492,890.06, 2,239,335.09 and 495,618.06 is: 743,427.09
Step by Step Solution
- Step 1: Write the proportion equation
1,492,890.06 : 2,239,335.09 = 495,618.06 : x - Step 2: Convert to fraction form
1,492,890.06/2,239,335.09 = 495,618.06/x - Step 3: Cross multiply
1,492,890.06x = 2,239,335.09 × 495,618.06 - Step 4: Simplify right side
1,492,890.06x = 1,109,854,912,995.73 - Step 5: Solve for x
x = 1,109,854,912,995.73/1,492,890.06 - Step 6: Final answer
x = 743,427.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.