Finding the Fourth Proportional to 6,905,169.63, 10,357,320.63 and 2,112,478.11
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Solution
The fourth proportional to 6,905,169.63, 10,357,320.63 and 2,112,478.11 is: 3,168,584.45
Step by Step Solution
- Step 1: Write the proportion equation
6,905,169.63 : 10,357,320.63 = 2,112,478.11 : x - Step 2: Convert to fraction form
6,905,169.63/10,357,320.63 = 2,112,478.11/x - Step 3: Cross multiply
6,905,169.63x = 10,357,320.63 × 2,112,478.11 - Step 4: Simplify right side
6,905,169.63x = 21,879,613,109,126.41 - Step 5: Solve for x
x = 21,879,613,109,126.41/6,905,169.63 - Step 6: Final answer
x = 3,168,584.45
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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.