Finding the Fourth Proportional to 1,346,118.10, 2,016,455.55 and 839,122.90
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Solution
The fourth proportional to 1,346,118.10, 2,016,455.55 and 839,122.90 is: 1,256,987.80
Step by Step Solution
- Step 1: Write the proportion equation
1,346,118.10 : 2,016,455.55 = 839,122.90 : x - Step 2: Convert to fraction form
1,346,118.10/2,016,455.55 = 839,122.90/x - Step 3: Cross multiply
1,346,118.10x = 2,016,455.55 × 839,122.90 - Step 4: Simplify right side
1,346,118.10x = 1,692,054,028,837.10 - Step 5: Solve for x
x = 1,692,054,028,837.10/1,346,118.10 - Step 6: Final answer
x = 1,256,987.80
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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.