Finding the Fourth Proportional to 1,909,577.79, 2,635,164.81 and 1,050,138.06
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Solution
The fourth proportional to 1,909,577.79, 2,635,164.81 and 1,050,138.06 is: 1,449,161.63
Step by Step Solution
- Step 1: Write the proportion equation
1,909,577.79 : 2,635,164.81 = 1,050,138.06 : x - Step 2: Convert to fraction form
1,909,577.79/2,635,164.81 = 1,050,138.06/x - Step 3: Cross multiply
1,909,577.79x = 2,635,164.81 × 1,050,138.06 - Step 4: Simplify right side
1,909,577.79x = 2,767,286,861,353.67 - Step 5: Solve for x
x = 2,767,286,861,353.67/1,909,577.79 - Step 6: Final answer
x = 1,449,161.63
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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.