Finding the Fourth Proportional to 1,909,577.05, 2,635,163.78 and 1,050,137.31
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Solution
The fourth proportional to 1,909,577.05, 2,635,163.78 and 1,050,137.31 is: 1,449,160.59
Step by Step Solution
- Step 1: Write the proportion equation
1,909,577.05 : 2,635,163.78 = 1,050,137.31 : x - Step 2: Convert to fraction form
1,909,577.05/2,635,163.78 = 1,050,137.31/x - Step 3: Cross multiply
1,909,577.05x = 2,635,163.78 × 1,050,137.31 - Step 4: Simplify right side
1,909,577.05x = 2,767,283,803,338.63 - Step 5: Solve for x
x = 2,767,283,803,338.63/1,909,577.05 - Step 6: Final answer
x = 1,449,160.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.