Finding the Fourth Proportional to 2,686,709.19, 4,031,638.43 and 1,927,732.71
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Solution
The fourth proportional to 2,686,709.19, 4,031,638.43 and 1,927,732.71 is: 2,892,728.88
Step by Step Solution
- Step 1: Write the proportion equation
2,686,709.19 : 4,031,638.43 = 1,927,732.71 : x - Step 2: Convert to fraction form
2,686,709.19/4,031,638.43 = 1,927,732.71/x - Step 3: Cross multiply
2,686,709.19x = 4,031,638.43 × 1,927,732.71 - Step 4: Simplify right side
2,686,709.19x = 7,771,921,266,765.38 - Step 5: Solve for x
x = 7,771,921,266,765.38/2,686,709.19 - Step 6: Final answer
x = 2,892,728.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.