Finding the Fourth Proportional to 2,121,563.16, 2,927,819.24 and 1,154,756.08
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Solution
The fourth proportional to 2,121,563.16, 2,927,819.24 and 1,154,756.08 is: 1,593,597.18
Step by Step Solution
- Step 1: Write the proportion equation
2,121,563.16 : 2,927,819.24 = 1,154,756.08 : x - Step 2: Convert to fraction form
2,121,563.16/2,927,819.24 = 1,154,756.08/x - Step 3: Cross multiply
2,121,563.16x = 2,927,819.24 × 1,154,756.08 - Step 4: Simplify right side
2,121,563.16x = 3,380,917,068,530.98 - Step 5: Solve for x
x = 3,380,917,068,530.98/2,121,563.16 - Step 6: Final answer
x = 1,593,597.18
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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.