Finding the Fourth Proportional to 1,671,842.26, 2,307,848.52 and 1,128,713.68
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Solution
The fourth proportional to 1,671,842.26, 2,307,848.52 and 1,128,713.68 is: 1,558,101.66
Step by Step Solution
- Step 1: Write the proportion equation
1,671,842.26 : 2,307,848.52 = 1,128,713.68 : x - Step 2: Convert to fraction form
1,671,842.26/2,307,848.52 = 1,128,713.68/x - Step 3: Cross multiply
1,671,842.26x = 2,307,848.52 × 1,128,713.68 - Step 4: Simplify right side
1,671,842.26x = 2,604,900,195,891.75 - Step 5: Solve for x
x = 2,604,900,195,891.75/1,671,842.26 - Step 6: Final answer
x = 1,558,101.66
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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.