Finding the Fourth Proportional to 4,545,113.50, 6,818,812.08 and 1,306,657.09
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Solution
The fourth proportional to 4,545,113.50, 6,818,812.08 and 1,306,657.09 is: 1,960,313.90
Step by Step Solution
- Step 1: Write the proportion equation
4,545,113.50 : 6,818,812.08 = 1,306,657.09 : x - Step 2: Convert to fraction form
4,545,113.50/6,818,812.08 = 1,306,657.09/x - Step 3: Cross multiply
4,545,113.50x = 6,818,812.08 × 1,306,657.09 - Step 4: Simplify right side
4,545,113.50x = 8,909,849,149,709.65 - Step 5: Solve for x
x = 8,909,849,149,709.65/4,545,113.50 - Step 6: Final answer
x = 1,960,313.90
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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.