Finding the Fourth Proportional to 5,056,245.97, 6,977,742.90 and 3,069,405.07
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Solution
The fourth proportional to 5,056,245.97, 6,977,742.90 and 3,069,405.07 is: 4,235,853.94
Step by Step Solution
- Step 1: Write the proportion equation
5,056,245.97 : 6,977,742.90 = 3,069,405.07 : x - Step 2: Convert to fraction form
5,056,245.97/6,977,742.90 = 3,069,405.07/x - Step 3: Cross multiply
5,056,245.97x = 6,977,742.90 × 3,069,405.07 - Step 4: Simplify right side
5,056,245.97x = 21,417,519,434,416.50 - Step 5: Solve for x
x = 21,417,519,434,416.50/5,056,245.97 - Step 6: Final answer
x = 4,235,853.94
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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.