Finding the Fourth Proportional to 1,420,465.91, 2,130,744.27 and 555,866.57
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Solution
The fourth proportional to 1,420,465.91, 2,130,744.27 and 555,866.57 is: 833,817.62
Step by Step Solution
- Step 1: Write the proportion equation
1,420,465.91 : 2,130,744.27 = 555,866.57 : x - Step 2: Convert to fraction form
1,420,465.91/2,130,744.27 = 555,866.57/x - Step 3: Cross multiply
1,420,465.91x = 2,130,744.27 × 555,866.57 - Step 4: Simplify right side
1,420,465.91x = 1,184,409,498,258.33 - Step 5: Solve for x
x = 1,184,409,498,258.33/1,420,465.91 - Step 6: Final answer
x = 833,817.62
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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.