Finding the Fourth Proportional to 2,628,228.68, 3,942,769.08 and 1,029,925.16
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Solution
The fourth proportional to 2,628,228.68, 3,942,769.08 and 1,029,925.16 is: 1,545,054.70
Step by Step Solution
- Step 1: Write the proportion equation
2,628,228.68 : 3,942,769.08 = 1,029,925.16 : x - Step 2: Convert to fraction form
2,628,228.68/3,942,769.08 = 1,029,925.16/x - Step 3: Cross multiply
2,628,228.68x = 3,942,769.08 × 1,029,925.16 - Step 4: Simplify right side
2,628,228.68x = 4,060,757,075,562.05 - Step 5: Solve for x
x = 4,060,757,075,562.05/2,628,228.68 - Step 6: Final answer
x = 1,545,054.70
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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.