Finding the Fourth Proportional to 1,591,485.99, 2,196,250.91 and 866,339.13
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Solution
The fourth proportional to 1,591,485.99, 2,196,250.91 and 866,339.13 is: 1,195,548.13
Step by Step Solution
- Step 1: Write the proportion equation
1,591,485.99 : 2,196,250.91 = 866,339.13 : x - Step 2: Convert to fraction form
1,591,485.99/2,196,250.91 = 866,339.13/x - Step 3: Cross multiply
1,591,485.99x = 2,196,250.91 × 866,339.13 - Step 4: Simplify right side
1,591,485.99x = 1,902,698,097,430.21 - Step 5: Solve for x
x = 1,902,698,097,430.21/1,591,485.99 - Step 6: Final answer
x = 1,195,548.13
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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.