Finding the Fourth Proportional to 2,029,449.27, 2,800,660.58 and 1,224,477.75
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Solution
The fourth proportional to 2,029,449.27, 2,800,660.58 and 1,224,477.75 is: 1,689,791.71
Step by Step Solution
- Step 1: Write the proportion equation
2,029,449.27 : 2,800,660.58 = 1,224,477.75 : x - Step 2: Convert to fraction form
2,029,449.27/2,800,660.58 = 1,224,477.75/x - Step 3: Cross multiply
2,029,449.27x = 2,800,660.58 × 1,224,477.75 - Step 4: Simplify right side
2,029,449.27x = 3,429,346,559,389.71 - Step 5: Solve for x
x = 3,429,346,559,389.71/2,029,449.27 - Step 6: Final answer
x = 1,689,791.71
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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.