Finding the Fourth Proportional to 2,866,739.70, 3,956,101.41 and 1,577,580.07
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Solution
The fourth proportional to 2,866,739.70, 3,956,101.41 and 1,577,580.07 is: 2,177,060.84
Step by Step Solution
- Step 1: Write the proportion equation
2,866,739.70 : 3,956,101.41 = 1,577,580.07 : x - Step 2: Convert to fraction form
2,866,739.70/3,956,101.41 = 1,577,580.07/x - Step 3: Cross multiply
2,866,739.70x = 3,956,101.41 × 1,577,580.07 - Step 4: Simplify right side
2,866,739.70x = 6,241,066,739,314.90 - Step 5: Solve for x
x = 6,241,066,739,314.90/2,866,739.70 - Step 6: Final answer
x = 2,177,060.84
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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.