Finding the Fourth Proportional to 6,873,457.70, 10,307,562.15 and 2,079,553.70
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Solution
The fourth proportional to 6,873,457.70, 10,307,562.15 and 2,079,553.70 is: 3,118,536.54
Step by Step Solution
- Step 1: Write the proportion equation
6,873,457.70 : 10,307,562.15 = 2,079,553.70 : x - Step 2: Convert to fraction form
6,873,457.70/10,307,562.15 = 2,079,553.70/x - Step 3: Cross multiply
6,873,457.70x = 10,307,562.15 × 2,079,553.70 - Step 4: Simplify right side
6,873,457.70x = 21,435,129,007,012.46 - Step 5: Solve for x
x = 21,435,129,007,012.46/6,873,457.70 - Step 6: Final answer
x = 3,118,536.54
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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.