Finding the Fourth Proportional to 2,299,215.36, 3,172,918.08 and 1,332,905.88
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Solution
The fourth proportional to 2,299,215.36, 3,172,918.08 and 1,332,905.88 is: 1,839,410.63
Step by Step Solution
- Step 1: Write the proportion equation
2,299,215.36 : 3,172,918.08 = 1,332,905.88 : x - Step 2: Convert to fraction form
2,299,215.36/3,172,918.08 = 1,332,905.88/x - Step 3: Cross multiply
2,299,215.36x = 3,172,918.08 × 1,332,905.88 - Step 4: Simplify right side
2,299,215.36x = 4,229,201,165,590.31 - Step 5: Solve for x
x = 4,229,201,165,590.31/2,299,215.36 - Step 6: Final answer
x = 1,839,410.63
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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.