Finding the Fourth Proportional to 2,589,210.56, 3,571,647.36 and 1,620,659.36
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Solution
The fourth proportional to 2,589,210.56, 3,571,647.36 and 1,620,659.36 is: 2,235,594.05
Step by Step Solution
- Step 1: Write the proportion equation
2,589,210.56 : 3,571,647.36 = 1,620,659.36 : x - Step 2: Convert to fraction form
2,589,210.56/3,571,647.36 = 1,620,659.36/x - Step 3: Cross multiply
2,589,210.56x = 3,571,647.36 × 1,620,659.36 - Step 4: Simplify right side
2,589,210.56x = 5,788,423,724,603.29 - Step 5: Solve for x
x = 5,788,423,724,603.29/2,589,210.56 - Step 6: Final answer
x = 2,235,594.05
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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.