Finding the Fourth Proportional to 3,342,390.84, 5,015,449.07 and 1,805,355.20
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Solution
The fourth proportional to 3,342,390.84, 5,015,449.07 and 1,805,355.20 is: 2,709,038.97
Step by Step Solution
- Step 1: Write the proportion equation
3,342,390.84 : 5,015,449.07 = 1,805,355.20 : x - Step 2: Convert to fraction form
3,342,390.84/5,015,449.07 = 1,805,355.20/x - Step 3: Cross multiply
3,342,390.84x = 5,015,449.07 × 1,805,355.20 - Step 4: Simplify right side
3,342,390.84x = 9,054,667,024,755.65 - Step 5: Solve for x
x = 9,054,667,024,755.65/3,342,390.84 - Step 6: Final answer
x = 2,709,038.97
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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.