Finding the Fourth Proportional to 1,694,438.19, 2,336,349.17 and 1,263,970.98
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Solution
The fourth proportional to 1,694,438.19, 2,336,349.17 and 1,263,970.98 is: 1,742,806.30
Step by Step Solution
- Step 1: Write the proportion equation
1,694,438.19 : 2,336,349.17 = 1,263,970.98 : x - Step 2: Convert to fraction form
1,694,438.19/2,336,349.17 = 1,263,970.98/x - Step 3: Cross multiply
1,694,438.19x = 2,336,349.17 × 1,263,970.98 - Step 4: Simplify right side
1,694,438.19x = 2,953,077,546,077.18 - Step 5: Solve for x
x = 2,953,077,546,077.18/1,694,438.19 - Step 6: Final answer
x = 1,742,806.30
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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.