Finding the Fourth Proportional to 1,593,903.80, 2,199,567.89 and 868,749.28
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Solution
The fourth proportional to 1,593,903.80, 2,199,567.89 and 868,749.28 is: 1,198,863.45
Step by Step Solution
- Step 1: Write the proportion equation
1,593,903.80 : 2,199,567.89 = 868,749.28 : x - Step 2: Convert to fraction form
1,593,903.80/2,199,567.89 = 868,749.28/x - Step 3: Cross multiply
1,593,903.80x = 2,199,567.89 × 868,749.28 - Step 4: Simplify right side
1,593,903.80x = 1,910,873,017,421.57 - Step 5: Solve for x
x = 1,910,873,017,421.57/1,593,903.80 - Step 6: Final answer
x = 1,198,863.45
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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.