Finding the Fourth Proportional to 1,588,389.28, 2,191,988.88 and 863,239.84
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Solution
The fourth proportional to 1,588,389.28, 2,191,988.88 and 863,239.84 is: 1,191,277.32
Step by Step Solution
- Step 1: Write the proportion equation
1,588,389.28 : 2,191,988.88 = 863,239.84 : x - Step 2: Convert to fraction form
1,588,389.28/2,191,988.88 = 863,239.84/x - Step 3: Cross multiply
1,588,389.28x = 2,191,988.88 × 863,239.84 - Step 4: Simplify right side
1,588,389.28x = 1,892,212,130,052.98 - Step 5: Solve for x
x = 1,892,212,130,052.98/1,588,389.28 - Step 6: Final answer
x = 1,191,277.32
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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.