Finding the Fourth Proportional to 3,964,355.60, 5,945,950.20 and 1,124,754.80
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Solution
The fourth proportional to 3,964,355.60, 5,945,950.20 and 1,124,754.80 is: 1,686,966.74
Step by Step Solution
- Step 1: Write the proportion equation
3,964,355.60 : 5,945,950.20 = 1,124,754.80 : x - Step 2: Convert to fraction form
3,964,355.60/5,945,950.20 = 1,124,754.80/x - Step 3: Cross multiply
3,964,355.60x = 5,945,950.20 × 1,124,754.80 - Step 4: Simplify right side
3,964,355.60x = 6,687,736,028,010.96 - Step 5: Solve for x
x = 6,687,736,028,010.96/3,964,355.60 - Step 6: Final answer
x = 1,686,966.74
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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.