Finding the Fourth Proportional to 1,387,183.80, 2,080,257.30 and 965,206.20
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Solution
The fourth proportional to 1,387,183.80, 2,080,257.30 and 965,206.20 is: 1,447,448.60
Step by Step Solution
- Step 1: Write the proportion equation
1,387,183.80 : 2,080,257.30 = 965,206.20 : x - Step 2: Convert to fraction form
1,387,183.80/2,080,257.30 = 965,206.20/x - Step 3: Cross multiply
1,387,183.80x = 2,080,257.30 × 965,206.20 - Step 4: Simplify right side
1,387,183.80x = 2,007,877,243,555.26 - Step 5: Solve for x
x = 2,007,877,243,555.26/1,387,183.80 - Step 6: Final answer
x = 1,447,448.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.