Finding the Fourth Proportional to 2,927,498.36, 4,042,427.68 and 1,840,120.13
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Solution
The fourth proportional to 2,927,498.36, 4,042,427.68 and 1,840,120.13 is: 2,540,924.59
Step by Step Solution
- Step 1: Write the proportion equation
2,927,498.36 : 4,042,427.68 = 1,840,120.13 : x - Step 2: Convert to fraction form
2,927,498.36/4,042,427.68 = 1,840,120.13/x - Step 3: Cross multiply
2,927,498.36x = 4,042,427.68 × 1,840,120.13 - Step 4: Simplify right side
2,927,498.36x = 7,438,552,560,443.42 - Step 5: Solve for x
x = 7,438,552,560,443.42/2,927,498.36 - Step 6: Final answer
x = 2,540,924.59
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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.