Finding the Fourth Proportional to 1,241,871.84, 1,871,106.39 and 1,122,067.98
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Solution
The fourth proportional to 1,241,871.84, 1,871,106.39 and 1,122,067.98 is: 1,690,600.03
Step by Step Solution
- Step 1: Write the proportion equation
1,241,871.84 : 1,871,106.39 = 1,122,067.98 : x - Step 2: Convert to fraction form
1,241,871.84/1,871,106.39 = 1,122,067.98/x - Step 3: Cross multiply
1,241,871.84x = 1,871,106.39 × 1,122,067.98 - Step 4: Simplify right side
1,241,871.84x = 2,099,508,567,392.39 - Step 5: Solve for x
x = 2,099,508,567,392.39/1,241,871.84 - Step 6: Final answer
x = 1,690,600.03
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.