Finding the Fourth Proportional to 2,787,678.87, 3,847,056.03 and 1,564,072.88
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Solution
The fourth proportional to 2,787,678.87, 3,847,056.03 and 1,564,072.88 is: 2,158,453.78
Step by Step Solution
- Step 1: Write the proportion equation
2,787,678.87 : 3,847,056.03 = 1,564,072.88 : x - Step 2: Convert to fraction form
2,787,678.87/3,847,056.03 = 1,564,072.88/x - Step 3: Cross multiply
2,787,678.87x = 3,847,056.03 × 1,564,072.88 - Step 4: Simplify right side
2,787,678.87x = 6,017,075,985,128.19 - Step 5: Solve for x
x = 6,017,075,985,128.19/2,787,678.87 - Step 6: Final answer
x = 2,158,453.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.