Finding the Fourth Proportional to 1,909,778.01, 2,635,515.63 and 1,050,352.62
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Solution
The fourth proportional to 1,909,778.01, 2,635,515.63 and 1,050,352.62 is: 1,449,498.70
Step by Step Solution
- Step 1: Write the proportion equation
1,909,778.01 : 2,635,515.63 = 1,050,352.62 : x - Step 2: Convert to fraction form
1,909,778.01/2,635,515.63 = 1,050,352.62/x - Step 3: Cross multiply
1,909,778.01x = 2,635,515.63 × 1,050,352.62 - Step 4: Simplify right side
1,909,778.01x = 2,768,220,747,021.45 - Step 5: Solve for x
x = 2,768,220,747,021.45/1,909,778.01 - Step 6: Final answer
x = 1,449,498.70
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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.