Finding the Fourth Proportional to 1,768,753.74, 2,440,966.68 and 994,628.19
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Solution
The fourth proportional to 1,768,753.74, 2,440,966.68 and 994,628.19 is: 1,372,635.55
Step by Step Solution
- Step 1: Write the proportion equation
1,768,753.74 : 2,440,966.68 = 994,628.19 : x - Step 2: Convert to fraction form
1,768,753.74/2,440,966.68 = 994,628.19/x - Step 3: Cross multiply
1,768,753.74x = 2,440,966.68 × 994,628.19 - Step 4: Simplify right side
1,768,753.74x = 2,427,854,270,778.71 - Step 5: Solve for x
x = 2,427,854,270,778.71/1,768,753.74 - Step 6: Final answer
x = 1,372,635.55
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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.