Finding the Fourth Proportional to 1,686,344, 2,327,913.60 and 1,075,315.84
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Solution
The fourth proportional to 1,686,344, 2,327,913.60 and 1,075,315.84 is: 1,484,419.77
Step by Step Solution
- Step 1: Write the proportion equation
1,686,344 : 2,327,913.60 = 1,075,315.84 : x - Step 2: Convert to fraction form
1,686,344/2,327,913.60 = 1,075,315.84/x - Step 3: Cross multiply
1,686,344x = 2,327,913.60 × 1,075,315.84 - Step 4: Simplify right side
1,686,344x = 2,503,242,368,231.42 - Step 5: Solve for x
x = 2,503,242,368,231.42/1,686,344 - Step 6: Final answer
x = 1,484,419.77
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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.