Finding the Fourth Proportional to 1,875,420.36, 2,808,464.94 and 1,311,815.88
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Solution
The fourth proportional to 1,875,420.36, 2,808,464.94 and 1,311,815.88 is: 1,964,460.33
Step by Step Solution
- Step 1: Write the proportion equation
1,875,420.36 : 2,808,464.94 = 1,311,815.88 : x - Step 2: Convert to fraction form
1,875,420.36/2,808,464.94 = 1,311,815.88/x - Step 3: Cross multiply
1,875,420.36x = 2,808,464.94 × 1,311,815.88 - Step 4: Simplify right side
1,875,420.36x = 3,684,188,906,715.25 - Step 5: Solve for x
x = 3,684,188,906,715.25/1,875,420.36 - Step 6: Final answer
x = 1,964,460.33
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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.