Finding the Fourth Proportional to 3,211,602.39, 4,817,407.23 and 1,081,508.13
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Solution
The fourth proportional to 3,211,602.39, 4,817,407.23 and 1,081,508.13 is: 1,622,263.42
Step by Step Solution
- Step 1: Write the proportion equation
3,211,602.39 : 4,817,407.23 = 1,081,508.13 : x - Step 2: Convert to fraction form
3,211,602.39/4,817,407.23 = 1,081,508.13/x - Step 3: Cross multiply
3,211,602.39x = 4,817,407.23 × 1,081,508.13 - Step 4: Simplify right side
3,211,602.39x = 5,210,065,084,765.78 - Step 5: Solve for x
x = 5,210,065,084,765.78/3,211,602.39 - Step 6: Final answer
x = 1,622,263.42
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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.