Finding the Fourth Proportional to 1,593,489.84, 2,198,987.34 and 868,343.40
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Solution
The fourth proportional to 1,593,489.84, 2,198,987.34 and 868,343.40 is: 1,198,298.29
Step by Step Solution
- Step 1: Write the proportion equation
1,593,489.84 : 2,198,987.34 = 868,343.40 : x - Step 2: Convert to fraction form
1,593,489.84/2,198,987.34 = 868,343.40/x - Step 3: Cross multiply
1,593,489.84x = 2,198,987.34 × 868,343.40 - Step 4: Simplify right side
1,593,489.84x = 1,909,476,143,372.56 - Step 5: Solve for x
x = 1,909,476,143,372.56/1,593,489.84 - Step 6: Final answer
x = 1,198,298.29
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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.