Finding the Fourth Proportional to 1,593,659.63, 2,199,186.21 and 868,491.64
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Solution
The fourth proportional to 1,593,659.63, 2,199,186.21 and 868,491.64 is: 1,198,483.54
Step by Step Solution
- Step 1: Write the proportion equation
1,593,659.63 : 2,199,186.21 = 868,491.64 : x - Step 2: Convert to fraction form
1,593,659.63/2,199,186.21 = 868,491.64/x - Step 3: Cross multiply
1,593,659.63x = 2,199,186.21 × 868,491.64 - Step 4: Simplify right side
1,593,659.63x = 1,909,974,838,188.28 - Step 5: Solve for x
x = 1,909,974,838,188.28/1,593,659.63 - Step 6: Final answer
x = 1,198,483.54
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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.