Finding the Fourth Proportional to 5,190,267.41, 7,785,372.80 and 2,116,246.19
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Solution
The fourth proportional to 5,190,267.41, 7,785,372.80 and 2,116,246.19 is: 3,174,357.73
Step by Step Solution
- Step 1: Write the proportion equation
5,190,267.41 : 7,785,372.80 = 2,116,246.19 : x - Step 2: Convert to fraction form
5,190,267.41/7,785,372.80 = 2,116,246.19/x - Step 3: Cross multiply
5,190,267.41x = 7,785,372.80 × 2,116,246.19 - Step 4: Simplify right side
5,190,267.41x = 16,475,765,476,221.54 - Step 5: Solve for x
x = 16,475,765,476,221.54/5,190,267.41 - Step 6: Final answer
x = 3,174,357.73
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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.