Finding the Fourth Proportional to 1,909,775.88, 2,635,512.69 and 1,050,350.49
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Solution
The fourth proportional to 1,909,775.88, 2,635,512.69 and 1,050,350.49 is: 1,449,495.76
Step by Step Solution
- Step 1: Write the proportion equation
1,909,775.88 : 2,635,512.69 = 1,050,350.49 : x - Step 2: Convert to fraction form
1,909,775.88/2,635,512.69 = 1,050,350.49/x - Step 3: Cross multiply
1,909,775.88x = 2,635,512.69 × 1,050,350.49 - Step 4: Simplify right side
1,909,775.88x = 2,768,212,049,281.53 - Step 5: Solve for x
x = 2,768,212,049,281.53/1,909,775.88 - Step 6: Final answer
x = 1,449,495.76
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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.