Finding the Fourth Proportional to 3,526,572.12, 5,290,356.34 and 1,129,856.10
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Solution
The fourth proportional to 3,526,572.12, 5,290,356.34 and 1,129,856.10 is: 1,694,943.75
Step by Step Solution
- Step 1: Write the proportion equation
3,526,572.12 : 5,290,356.34 = 1,129,856.10 : x - Step 2: Convert to fraction form
3,526,572.12/5,290,356.34 = 1,129,856.10/x - Step 3: Cross multiply
3,526,572.12x = 5,290,356.34 × 1,129,856.10 - Step 4: Simplify right side
3,526,572.12x = 5,977,341,381,922.68 - Step 5: Solve for x
x = 5,977,341,381,922.68/3,526,572.12 - Step 6: Final answer
x = 1,694,943.75
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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.