Finding the Fourth Proportional to 5,403,981.77, 8,106,071.08 and 1,809,078.65
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Solution
The fourth proportional to 5,403,981.77, 8,106,071.08 and 1,809,078.65 is: 2,713,650.92
Step by Step Solution
- Step 1: Write the proportion equation
5,403,981.77 : 8,106,071.08 = 1,809,078.65 : x - Step 2: Convert to fraction form
5,403,981.77/8,106,071.08 = 1,809,078.65/x - Step 3: Cross multiply
5,403,981.77x = 8,106,071.08 × 1,809,078.65 - Step 4: Simplify right side
5,403,981.77x = 14,664,520,126,210.44 - Step 5: Solve for x
x = 14,664,520,126,210.44/5,403,981.77 - Step 6: Final answer
x = 2,713,650.92
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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.