Finding the Fourth Proportional to 2,787,904.64, 4,181,902.82 and 766,135.92
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Solution
The fourth proportional to 2,787,904.64, 4,181,902.82 and 766,135.92 is: 1,149,216.48
Step by Step Solution
- Step 1: Write the proportion equation
2,787,904.64 : 4,181,902.82 = 766,135.92 : x - Step 2: Convert to fraction form
2,787,904.64/4,181,902.82 = 766,135.92/x - Step 3: Cross multiply
2,787,904.64x = 4,181,902.82 × 766,135.92 - Step 4: Simplify right side
2,787,904.64x = 3,203,905,964,351.29 - Step 5: Solve for x
x = 3,203,905,964,351.29/2,787,904.64 - Step 6: Final answer
x = 1,149,216.48
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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.