Finding the Fourth Proportional to 2,134,555.43, 2,945,677.68 and 1,154,495.54
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Solution
The fourth proportional to 2,134,555.43, 2,945,677.68 and 1,154,495.54 is: 1,593,199.09
Step by Step Solution
- Step 1: Write the proportion equation
2,134,555.43 : 2,945,677.68 = 1,154,495.54 : x - Step 2: Convert to fraction form
2,134,555.43/2,945,677.68 = 1,154,495.54/x - Step 3: Cross multiply
2,134,555.43x = 2,945,677.68 × 1,154,495.54 - Step 4: Simplify right side
2,134,555.43x = 3,400,771,751,201.74 - Step 5: Solve for x
x = 3,400,771,751,201.74/2,134,555.43 - Step 6: Final answer
x = 1,593,199.09
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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.