Finding the Fourth Proportional to 1,787,558.99, 2,464,515.99 and 1,157,782.21
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Solution
The fourth proportional to 1,787,558.99, 2,464,515.99 and 1,157,782.21 is: 1,596,239.78
Step by Step Solution
- Step 1: Write the proportion equation
1,787,558.99 : 2,464,515.99 = 1,157,782.21 : x - Step 2: Convert to fraction form
1,787,558.99/2,464,515.99 = 1,157,782.21/x - Step 3: Cross multiply
1,787,558.99x = 2,464,515.99 × 1,157,782.21 - Step 4: Simplify right side
1,787,558.99x = 2,853,372,763,321.25 - Step 5: Solve for x
x = 2,853,372,763,321.25/1,787,558.99 - Step 6: Final answer
x = 1,596,239.78
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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.