Finding the Fourth Proportional to 2,625,329.70, 3,929,246.55 and 1,903,619.70
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Solution
The fourth proportional to 2,625,329.70, 3,929,246.55 and 1,903,619.70 is: 2,849,086.40
Step by Step Solution
- Step 1: Write the proportion equation
2,625,329.70 : 3,929,246.55 = 1,903,619.70 : x - Step 2: Convert to fraction form
2,625,329.70/3,929,246.55 = 1,903,619.70/x - Step 3: Cross multiply
2,625,329.70x = 3,929,246.55 × 1,903,619.70 - Step 4: Simplify right side
2,625,329.70x = 7,479,791,138,737.03 - Step 5: Solve for x
x = 7,479,791,138,737.03/2,625,329.70 - Step 6: Final answer
x = 2,849,086.40
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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.