Finding the Fourth Proportional to 1,569,621.68, 2,166,012.60 and 890,595.44
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Solution
The fourth proportional to 1,569,621.68, 2,166,012.60 and 890,595.44 is: 1,228,984.65
Step by Step Solution
- Step 1: Write the proportion equation
1,569,621.68 : 2,166,012.60 = 890,595.44 : x - Step 2: Convert to fraction form
1,569,621.68/2,166,012.60 = 890,595.44/x - Step 3: Cross multiply
1,569,621.68x = 2,166,012.60 × 890,595.44 - Step 4: Simplify right side
1,569,621.68x = 1,929,040,944,542.54 - Step 5: Solve for x
x = 1,929,040,944,542.54/1,569,621.68 - Step 6: Final answer
x = 1,228,984.65
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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.