Finding the Fourth Proportional to 1,488,964.28, 2,055,135.68 and 844,761.56
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Solution
The fourth proportional to 1,488,964.28, 2,055,135.68 and 844,761.56 is: 1,165,978.02
Step by Step Solution
- Step 1: Write the proportion equation
1,488,964.28 : 2,055,135.68 = 844,761.56 : x - Step 2: Convert to fraction form
1,488,964.28/2,055,135.68 = 844,761.56/x - Step 3: Cross multiply
1,488,964.28x = 2,055,135.68 × 844,761.56 - Step 4: Simplify right side
1,488,964.28x = 1,736,099,623,048.46 - Step 5: Solve for x
x = 1,736,099,623,048.46/1,488,964.28 - Step 6: Final answer
x = 1,165,978.02
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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.