Finding the Fourth Proportional to 3,259,451.32, 4,887,536.70 and 1,128,963.40
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Solution
The fourth proportional to 3,259,451.32, 4,887,536.70 and 1,128,963.40 is: 1,692,876.96
Step by Step Solution
- Step 1: Write the proportion equation
3,259,451.32 : 4,887,536.70 = 1,128,963.40 : x - Step 2: Convert to fraction form
3,259,451.32/4,887,536.70 = 1,128,963.40/x - Step 3: Cross multiply
3,259,451.32x = 4,887,536.70 × 1,128,963.40 - Step 4: Simplify right side
3,259,451.32x = 5,517,850,050,456.78 - Step 5: Solve for x
x = 5,517,850,050,456.78/3,259,451.32 - Step 6: Final answer
x = 1,692,876.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.