Finding the Fourth Proportional to 2,031,562.87, 2,803,579.56 and 1,160,512.90
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Solution
The fourth proportional to 2,031,562.87, 2,803,579.56 and 1,160,512.90 is: 1,601,520.82
Step by Step Solution
- Step 1: Write the proportion equation
2,031,562.87 : 2,803,579.56 = 1,160,512.90 : x - Step 2: Convert to fraction form
2,031,562.87/2,803,579.56 = 1,160,512.90/x - Step 3: Cross multiply
2,031,562.87x = 2,803,579.56 × 1,160,512.90 - Step 4: Simplify right side
2,031,562.87x = 3,253,590,238,547.38 - Step 5: Solve for x
x = 3,253,590,238,547.38/2,031,562.87 - Step 6: Final answer
x = 1,601,520.82
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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.