Finding the Fourth Proportional to 6,817,671.75, 10,228,220.37 and 1,959,987.15
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Solution
The fourth proportional to 6,817,671.75, 10,228,220.37 and 1,959,987.15 is: 2,940,473.12
Step by Step Solution
- Step 1: Write the proportion equation
6,817,671.75 : 10,228,220.37 = 1,959,987.15 : x - Step 2: Convert to fraction form
6,817,671.75/10,228,220.37 = 1,959,987.15/x - Step 3: Cross multiply
6,817,671.75x = 10,228,220.37 × 1,959,987.15 - Step 4: Simplify right side
6,817,671.75x = 20,047,180,492,568.24 - Step 5: Solve for x
x = 20,047,180,492,568.24/6,817,671.75 - Step 6: Final answer
x = 2,940,473.12
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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.