Finding the Fourth Proportional to 1,519,907.68, 2,097,378.12 and 840,844.18
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Solution
The fourth proportional to 1,519,907.68, 2,097,378.12 and 840,844.18 is: 1,160,312.70
Step by Step Solution
- Step 1: Write the proportion equation
1,519,907.68 : 2,097,378.12 = 840,844.18 : x - Step 2: Convert to fraction form
1,519,907.68/2,097,378.12 = 840,844.18/x - Step 3: Cross multiply
1,519,907.68x = 2,097,378.12 × 840,844.18 - Step 4: Simplify right side
1,519,907.68x = 1,763,568,185,461.34 - Step 5: Solve for x
x = 1,763,568,185,461.34/1,519,907.68 - Step 6: Final answer
x = 1,160,312.70
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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.