Finding the Fourth Proportional to 3,754,463.94, 5,628,355.90 and 1,357,775.74
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Solution
The fourth proportional to 3,754,463.94, 5,628,355.90 and 1,357,775.74 is: 2,035,455.72
Step by Step Solution
- Step 1: Write the proportion equation
3,754,463.94 : 5,628,355.90 = 1,357,775.74 : x - Step 2: Convert to fraction form
3,754,463.94/5,628,355.90 = 1,357,775.74/x - Step 3: Cross multiply
3,754,463.94x = 5,628,355.90 × 1,357,775.74 - Step 4: Simplify right side
3,754,463.94x = 7,642,045,097,105.87 - Step 5: Solve for x
x = 7,642,045,097,105.87/3,754,463.94 - Step 6: Final answer
x = 2,035,455.72
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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.