Finding the Fourth Proportional to 2,881,777.06, 3,976,858.70 and 1,575,050.05
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Solution
The fourth proportional to 2,881,777.06, 3,976,858.70 and 1,575,050.05 is: 2,173,572.54
Step by Step Solution
- Step 1: Write the proportion equation
2,881,777.06 : 3,976,858.70 = 1,575,050.05 : x - Step 2: Convert to fraction form
2,881,777.06/3,976,858.70 = 1,575,050.05/x - Step 3: Cross multiply
2,881,777.06x = 3,976,858.70 × 1,575,050.05 - Step 4: Simplify right side
2,881,777.06x = 6,263,751,494,277.94 - Step 5: Solve for x
x = 6,263,751,494,277.94/2,881,777.06 - Step 6: Final answer
x = 2,173,572.54
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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.