Finding the Fourth Proportional to 1,725,433.99, 2,380,818.82 and 1,000,140.01
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Solution
The fourth proportional to 1,725,433.99, 2,380,818.82 and 1,000,140.01 is: 1,380,030.86
Step by Step Solution
- Step 1: Write the proportion equation
1,725,433.99 : 2,380,818.82 = 1,000,140.01 : x - Step 2: Convert to fraction form
1,725,433.99/2,380,818.82 = 1,000,140.01/x - Step 3: Cross multiply
1,725,433.99x = 2,380,818.82 × 1,000,140.01 - Step 4: Simplify right side
1,725,433.99x = 2,381,152,158,442.99 - Step 5: Solve for x
x = 2,381,152,158,442.99/1,725,433.99 - Step 6: Final answer
x = 1,380,030.86
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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.