Finding the Fourth Proportional to 1,753,888.19, 2,420,298.50 and 1,100,863.62
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Solution
The fourth proportional to 1,753,888.19, 2,420,298.50 and 1,100,863.62 is: 1,519,149.62
Step by Step Solution
- Step 1: Write the proportion equation
1,753,888.19 : 2,420,298.50 = 1,100,863.62 : x - Step 2: Convert to fraction form
1,753,888.19/2,420,298.50 = 1,100,863.62/x - Step 3: Cross multiply
1,753,888.19x = 2,420,298.50 × 1,100,863.62 - Step 4: Simplify right side
1,753,888.19x = 2,664,418,562,686.25 - Step 5: Solve for x
x = 2,664,418,562,686.25/1,753,888.19 - Step 6: Final answer
x = 1,519,149.62
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1.5x scale
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.