Finding the Fourth Proportional to 1,509,652.08, 2,081,574.45 and 1,203,489.09
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Solution
The fourth proportional to 1,509,652.08, 2,081,574.45 and 1,203,489.09 is: 1,659,423.50
Step by Step Solution
- Step 1: Write the proportion equation
1,509,652.08 : 2,081,574.45 = 1,203,489.09 : x - Step 2: Convert to fraction form
1,509,652.08/2,081,574.45 = 1,203,489.09/x - Step 3: Cross multiply
1,509,652.08x = 2,081,574.45 × 1,203,489.09 - Step 4: Simplify right side
1,509,652.08x = 2,505,152,140,597.75 - Step 5: Solve for x
x = 2,505,152,140,597.75/1,509,652.08 - Step 6: Final answer
x = 1,659,423.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.