Finding the Fourth Proportional to 6,363,864.53, 8,783,983.65 and 4,159,059.02
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Solution
The fourth proportional to 6,363,864.53, 8,783,983.65 and 4,159,059.02 is: 5,740,710.89
Step by Step Solution
- Step 1: Write the proportion equation
6,363,864.53 : 8,783,983.65 = 4,159,059.02 : x - Step 2: Convert to fraction form
6,363,864.53/8,783,983.65 = 4,159,059.02/x - Step 3: Cross multiply
6,363,864.53x = 8,783,983.65 × 4,159,059.02 - Step 4: Simplify right side
6,363,864.53x = 36,533,106,410,269.73 - Step 5: Solve for x
x = 36,533,106,410,269.73/6,363,864.53 - Step 6: Final answer
x = 5,740,710.89
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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.