Finding the Fourth Proportional to 2,646,890.16, 3,968,733.56 and 1,187,669.08
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Solution
The fourth proportional to 2,646,890.16, 3,968,733.56 and 1,187,669.08 is: 1,780,784.94
Step by Step Solution
- Step 1: Write the proportion equation
2,646,890.16 : 3,968,733.56 = 1,187,669.08 : x - Step 2: Convert to fraction form
2,646,890.16/3,968,733.56 = 1,187,669.08/x - Step 3: Cross multiply
2,646,890.16x = 3,968,733.56 × 1,187,669.08 - Step 4: Simplify right side
2,646,890.16x = 4,713,542,142,922.99 - Step 5: Solve for x
x = 4,713,542,142,922.99/2,646,890.16 - Step 6: Final answer
x = 1,780,784.94
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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.