Finding the Fourth Proportional to 5,785,395.41, 7,983,308.85 and 3,206,856.80
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Solution
The fourth proportional to 5,785,395.41, 7,983,308.85 and 3,206,856.80 is: 4,425,164.82
Step by Step Solution
- Step 1: Write the proportion equation
5,785,395.41 : 7,983,308.85 = 3,206,856.80 : x - Step 2: Convert to fraction form
5,785,395.41/7,983,308.85 = 3,206,856.80/x - Step 3: Cross multiply
5,785,395.41x = 7,983,308.85 × 3,206,856.80 - Step 4: Simplify right side
5,785,395.41x = 25,601,328,232,206.13 - Step 5: Solve for x
x = 25,601,328,232,206.13/5,785,395.41 - Step 6: Final answer
x = 4,425,164.82
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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.