Finding the Fourth Proportional to 2,714,792.40, 4,072,188.60 and 1,805,437.80
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Solution
The fourth proportional to 2,714,792.40, 4,072,188.60 and 1,805,437.80 is: 2,708,156.70
Step by Step Solution
- Step 1: Write the proportion equation
2,714,792.40 : 4,072,188.60 = 1,805,437.80 : x - Step 2: Convert to fraction form
2,714,792.40/4,072,188.60 = 1,805,437.80/x - Step 3: Cross multiply
2,714,792.40x = 4,072,188.60 × 1,805,437.80 - Step 4: Simplify right side
2,714,792.40x = 7,352,083,227,169.08 - Step 5: Solve for x
x = 7,352,083,227,169.08/2,714,792.40 - Step 6: Final answer
x = 2,708,156.70
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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.