Finding the Fourth Proportional to 5,812,089.40, 8,718,895.86 and 1,920,253.60
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Solution
The fourth proportional to 5,812,089.40, 8,718,895.86 and 1,920,253.60 is: 2,880,632.08
Step by Step Solution
- Step 1: Write the proportion equation
5,812,089.40 : 8,718,895.86 = 1,920,253.60 : x - Step 2: Convert to fraction form
5,812,089.40/8,718,895.86 = 1,920,253.60/x - Step 3: Cross multiply
5,812,089.40x = 8,718,895.86 × 1,920,253.60 - Step 4: Simplify right side
5,812,089.40x = 16,742,491,163,190.10 - Step 5: Solve for x
x = 16,742,491,163,190.10/5,812,089.40 - Step 6: Final answer
x = 2,880,632.08
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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.