Finding the Fourth Proportional to 2,773,852.12, 3,827,930.07 and 1,550,178.09
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Solution
The fourth proportional to 2,773,852.12, 3,827,930.07 and 1,550,178.09 is: 2,139,253.66
Step by Step Solution
- Step 1: Write the proportion equation
2,773,852.12 : 3,827,930.07 = 1,550,178.09 : x - Step 2: Convert to fraction form
2,773,852.12/3,827,930.07 = 1,550,178.09/x - Step 3: Cross multiply
2,773,852.12x = 3,827,930.07 × 1,550,178.09 - Step 4: Simplify right side
2,773,852.12x = 5,933,973,305,426.52 - Step 5: Solve for x
x = 5,933,973,305,426.52/2,773,852.12 - Step 6: Final answer
x = 2,139,253.66
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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.