Finding the Fourth Proportional to 5,183,998.90, 7,775,998.35 and 3,292,875.70
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Solution
The fourth proportional to 5,183,998.90, 7,775,998.35 and 3,292,875.70 is: 4,939,313.55
Step by Step Solution
- Step 1: Write the proportion equation
5,183,998.90 : 7,775,998.35 = 3,292,875.70 : x - Step 2: Convert to fraction form
5,183,998.90/7,775,998.35 = 3,292,875.70/x - Step 3: Cross multiply
5,183,998.90x = 7,775,998.35 × 3,292,875.70 - Step 4: Simplify right side
5,183,998.90x = 25,605,396,009,955.09 - Step 5: Solve for x
x = 25,605,396,009,955.09/5,183,998.90 - Step 6: Final answer
x = 4,939,313.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.