Finding the Fourth Proportional to 1,809,622.12, 2,498,248.04 and 1,395,253.84
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Solution
The fourth proportional to 1,809,622.12, 2,498,248.04 and 1,395,253.84 is: 1,926,197.81
Step by Step Solution
- Step 1: Write the proportion equation
1,809,622.12 : 2,498,248.04 = 1,395,253.84 : x - Step 2: Convert to fraction form
1,809,622.12/2,498,248.04 = 1,395,253.84/x - Step 3: Cross multiply
1,809,622.12x = 2,498,248.04 × 1,395,253.84 - Step 4: Simplify right side
1,809,622.12x = 3,485,690,171,082.47 - Step 5: Solve for x
x = 3,485,690,171,082.47/1,809,622.12 - Step 6: Final answer
x = 1,926,197.81
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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.