Finding the Fourth Proportional to 5,195,460.58, 7,169,745.99 and 2,903,621.20
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Solution
The fourth proportional to 5,195,460.58, 7,169,745.99 and 2,903,621.20 is: 4,007,003.06
Step by Step Solution
- Step 1: Write the proportion equation
5,195,460.58 : 7,169,745.99 = 2,903,621.20 : x - Step 2: Convert to fraction form
5,195,460.58/7,169,745.99 = 2,903,621.20/x - Step 3: Cross multiply
5,195,460.58x = 7,169,745.99 × 2,903,621.20 - Step 4: Simplify right side
5,195,460.58x = 20,818,226,455,178.99 - Step 5: Solve for x
x = 20,818,226,455,178.99/5,195,460.58 - Step 6: Final answer
x = 4,007,003.06
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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.