Finding the Fourth Proportional to 6,471,622.76, 8,930,828.80 and 3,571,011.36
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Solution
The fourth proportional to 6,471,622.76, 8,930,828.80 and 3,571,011.36 is: 4,927,989.82
Step by Step Solution
- Step 1: Write the proportion equation
6,471,622.76 : 8,930,828.80 = 3,571,011.36 : x - Step 2: Convert to fraction form
6,471,622.76/8,930,828.80 = 3,571,011.36/x - Step 3: Cross multiply
6,471,622.76x = 8,930,828.80 × 3,571,011.36 - Step 4: Simplify right side
6,471,622.76x = 31,892,091,099,015.17 - Step 5: Solve for x
x = 31,892,091,099,015.17/6,471,622.76 - Step 6: Final answer
x = 4,927,989.82
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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.