Finding the Fourth Proportional to 1,357,087.80, 1,871,198.99 and 1,012,325.24
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Solution
The fourth proportional to 1,357,087.80, 1,871,198.99 and 1,012,325.24 is: 1,395,828.60
Step by Step Solution
- Step 1: Write the proportion equation
1,357,087.80 : 1,871,198.99 = 1,012,325.24 : x - Step 2: Convert to fraction form
1,357,087.80/1,871,198.99 = 1,012,325.24/x - Step 3: Cross multiply
1,357,087.80x = 1,871,198.99 × 1,012,325.24 - Step 4: Simplify right side
1,357,087.80x = 1,894,261,970,052.10 - Step 5: Solve for x
x = 1,894,261,970,052.10/1,357,087.80 - Step 6: Final answer
x = 1,395,828.60
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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.