Finding the Fourth Proportional to 2,122,312.59, 3,183,593.49 and 605,878.92
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Solution
The fourth proportional to 2,122,312.59, 3,183,593.49 and 605,878.92 is: 908,853.95
Step by Step Solution
- Step 1: Write the proportion equation
2,122,312.59 : 3,183,593.49 = 605,878.92 : x - Step 2: Convert to fraction form
2,122,312.59/3,183,593.49 = 605,878.92/x - Step 3: Cross multiply
2,122,312.59x = 3,183,593.49 × 605,878.92 - Step 4: Simplify right side
2,122,312.59x = 1,928,872,185,440.23 - Step 5: Solve for x
x = 1,928,872,185,440.23/2,122,312.59 - Step 6: Final answer
x = 908,853.95
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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.