Finding the Fourth Proportional to 4,747,508.60, 7,120,517.28 and 1,508,619.83
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Solution
The fourth proportional to 4,747,508.60, 7,120,517.28 and 1,508,619.83 is: 2,262,692.80
Step by Step Solution
- Step 1: Write the proportion equation
4,747,508.60 : 7,120,517.28 = 1,508,619.83 : x - Step 2: Convert to fraction form
4,747,508.60/7,120,517.28 = 1,508,619.83/x - Step 3: Cross multiply
4,747,508.60x = 7,120,517.28 × 1,508,619.83 - Step 4: Simplify right side
4,747,508.60x = 10,742,153,532,863.08 - Step 5: Solve for x
x = 10,742,153,532,863.08/4,747,508.60 - Step 6: Final answer
x = 2,262,692.80
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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.