Finding the Fourth Proportional to 1,797,317.64, 2,697,315.42 and 1,318,782.02
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Solution
The fourth proportional to 1,797,317.64, 2,697,315.42 and 1,318,782.02 is: 1,979,155.49
Step by Step Solution
- Step 1: Write the proportion equation
1,797,317.64 : 2,697,315.42 = 1,318,782.02 : x - Step 2: Convert to fraction form
1,797,317.64/2,697,315.42 = 1,318,782.02/x - Step 3: Cross multiply
1,797,317.64x = 2,697,315.42 × 1,318,782.02 - Step 4: Simplify right side
1,797,317.64x = 3,557,171,069,623.60 - Step 5: Solve for x
x = 3,557,171,069,623.60/1,797,317.64 - Step 6: Final answer
x = 1,979,155.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.