Finding the Fourth Proportional to 2,110,744.64, 2,912,830.09 and 1,143,874.93
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Solution
The fourth proportional to 2,110,744.64, 2,912,830.09 and 1,143,874.93 is: 1,578,548.75
Step by Step Solution
- Step 1: Write the proportion equation
2,110,744.64 : 2,912,830.09 = 1,143,874.93 : x - Step 2: Convert to fraction form
2,110,744.64/2,912,830.09 = 1,143,874.93/x - Step 3: Cross multiply
2,110,744.64x = 2,912,830.09 × 1,143,874.93 - Step 4: Simplify right side
2,110,744.64x = 3,331,913,315,300.64 - Step 5: Solve for x
x = 3,331,913,315,300.64/2,110,744.64 - Step 6: Final answer
x = 1,578,548.75
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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.