Finding the Fourth Proportional to 1,909,575.55, 2,635,161.71 and 1,050,135.81
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Solution
The fourth proportional to 1,909,575.55, 2,635,161.71 and 1,050,135.81 is: 1,449,158.51
Step by Step Solution
- Step 1: Write the proportion equation
1,909,575.55 : 2,635,161.71 = 1,050,135.81 : x - Step 2: Convert to fraction form
1,909,575.55/2,635,161.71 = 1,050,135.81/x - Step 3: Cross multiply
1,909,575.55x = 2,635,161.71 × 1,050,135.81 - Step 4: Simplify right side
1,909,575.55x = 2,767,277,659,822.96 - Step 5: Solve for x
x = 2,767,277,659,822.96/1,909,575.55 - Step 6: Final answer
x = 1,449,158.51
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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.