Finding the Fourth Proportional to 5,571,259.16, 7,685,508.09 and 3,638,651.00
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Solution
The fourth proportional to 5,571,259.16, 7,685,508.09 and 3,638,651.00 is: 5,019,490.37
Step by Step Solution
- Step 1: Write the proportion equation
5,571,259.16 : 7,685,508.09 = 3,638,651.00 : x - Step 2: Convert to fraction form
5,571,259.16/7,685,508.09 = 3,638,651.00/x - Step 3: Cross multiply
5,571,259.16x = 7,685,508.09 × 3,638,651.00 - Step 4: Simplify right side
5,571,259.16x = 27,964,881,658,759.05 - Step 5: Solve for x
x = 27,964,881,658,759.05/5,571,259.16 - Step 6: Final answer
x = 5,019,490.37
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1.5x scale
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.