Finding the Fourth Proportional to 1,664,621.99, 2,296,931.98 and 1,010,908.04
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Solution
The fourth proportional to 1,664,621.99, 2,296,931.98 and 1,010,908.04 is: 1,394,903.48
Step by Step Solution
- Step 1: Write the proportion equation
1,664,621.99 : 2,296,931.98 = 1,010,908.04 : x - Step 2: Convert to fraction form
1,664,621.99/2,296,931.98 = 1,010,908.04/x - Step 3: Cross multiply
1,664,621.99x = 2,296,931.98 × 1,010,908.04 - Step 4: Simplify right side
1,664,621.99x = 2,321,987,005,915.12 - Step 5: Solve for x
x = 2,321,987,005,915.12/1,664,621.99 - Step 6: Final answer
x = 1,394,903.48
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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.