Finding the Fourth Proportional to 2,122,495.20, 2,928,895.68 and 1,204,743.36
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Solution
The fourth proportional to 2,122,495.20, 2,928,895.68 and 1,204,743.36 is: 1,662,462.00
Step by Step Solution
- Step 1: Write the proportion equation
2,122,495.20 : 2,928,895.68 = 1,204,743.36 : x - Step 2: Convert to fraction form
2,122,495.20/2,928,895.68 = 1,204,743.36/x - Step 3: Cross multiply
2,122,495.20x = 2,928,895.68 × 1,204,743.36 - Step 4: Simplify right side
2,122,495.20x = 3,528,567,622,612.69 - Step 5: Solve for x
x = 3,528,567,622,612.69/2,122,495.20 - Step 6: Final answer
x = 1,662,462.00
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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.