Finding the Fourth Proportional to 2,176,360.65, 3,260,696.99 and 1,321,688.34
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Solution
The fourth proportional to 2,176,360.65, 3,260,696.99 and 1,321,688.34 is: 1,980,198.08
Step by Step Solution
- Step 1: Write the proportion equation
2,176,360.65 : 3,260,696.99 = 1,321,688.34 : x - Step 2: Convert to fraction form
2,176,360.65/3,260,696.99 = 1,321,688.34/x - Step 3: Cross multiply
2,176,360.65x = 3,260,696.99 × 1,321,688.34 - Step 4: Simplify right side
2,176,360.65x = 4,309,625,185,347.66 - Step 5: Solve for x
x = 4,309,625,185,347.66/2,176,360.65 - Step 6: Final answer
x = 1,980,198.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.