Finding the Fourth Proportional to 1,818,803.02, 2,728,213.68 and 470,871.10
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Solution
The fourth proportional to 1,818,803.02, 2,728,213.68 and 470,871.10 is: 706,309.02
Step by Step Solution
- Step 1: Write the proportion equation
1,818,803.02 : 2,728,213.68 = 470,871.10 : x - Step 2: Convert to fraction form
1,818,803.02/2,728,213.68 = 470,871.10/x - Step 3: Cross multiply
1,818,803.02x = 2,728,213.68 × 470,871.10 - Step 4: Simplify right side
1,818,803.02x = 1,284,636,976,536.65 - Step 5: Solve for x
x = 1,284,636,976,536.65/1,818,803.02 - Step 6: Final answer
x = 706,309.02
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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.