Finding the Fourth Proportional to 1,491,106.80, 2,234,035.80 and 1,281,154.80
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Solution
The fourth proportional to 1,491,106.80, 2,234,035.80 and 1,281,154.80 is: 1,919,477.32
Step by Step Solution
- Step 1: Write the proportion equation
1,491,106.80 : 2,234,035.80 = 1,281,154.80 : x - Step 2: Convert to fraction form
1,491,106.80/2,234,035.80 = 1,281,154.80/x - Step 3: Cross multiply
1,491,106.80x = 2,234,035.80 × 1,281,154.80 - Step 4: Simplify right side
1,491,106.80x = 2,862,145,688,541.84 - Step 5: Solve for x
x = 2,862,145,688,541.84/1,491,106.80 - Step 6: Final answer
x = 1,919,477.32
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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.