Finding the Fourth Proportional to 1,909,178.34, 2,634,675.75 and 1,049,793.90
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Solution
The fourth proportional to 1,909,178.34, 2,634,675.75 and 1,049,793.90 is: 1,448,720.88
Step by Step Solution
- Step 1: Write the proportion equation
1,909,178.34 : 2,634,675.75 = 1,049,793.90 : x - Step 2: Convert to fraction form
1,909,178.34/2,634,675.75 = 1,049,793.90/x - Step 3: Cross multiply
1,909,178.34x = 2,634,675.75 × 1,049,793.90 - Step 4: Simplify right side
1,909,178.34x = 2,765,866,530,827.92 - Step 5: Solve for x
x = 2,765,866,530,827.92/1,909,178.34 - Step 6: Final answer
x = 1,448,720.88
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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.