Finding the Fourth Proportional to 2,255,276.64, 3,109,270.84 and 1,791,668.76
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Solution
The fourth proportional to 2,255,276.64, 3,109,270.84 and 1,791,668.76 is: 2,470,110.91
Step by Step Solution
- Step 1: Write the proportion equation
2,255,276.64 : 3,109,270.84 = 1,791,668.76 : x - Step 2: Convert to fraction form
2,255,276.64/3,109,270.84 = 1,791,668.76/x - Step 3: Cross multiply
2,255,276.64x = 3,109,270.84 × 1,791,668.76 - Step 4: Simplify right side
2,255,276.64x = 5,570,783,430,406.96 - Step 5: Solve for x
x = 5,570,783,430,406.96/2,255,276.64 - Step 6: Final answer
x = 2,470,110.91
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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.