Finding the Fourth Proportional to 2,768,154.60, 3,820,048.05 and 1,544,387.31
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Solution
The fourth proportional to 2,768,154.60, 3,820,048.05 and 1,544,387.31 is: 2,131,251.53
Step by Step Solution
- Step 1: Write the proportion equation
2,768,154.60 : 3,820,048.05 = 1,544,387.31 : x - Step 2: Convert to fraction form
2,768,154.60/3,820,048.05 = 1,544,387.31/x - Step 3: Cross multiply
2,768,154.60x = 3,820,048.05 × 1,544,387.31 - Step 4: Simplify right side
2,768,154.60x = 5,899,633,732,010.25 - Step 5: Solve for x
x = 5,899,633,732,010.25/2,768,154.60 - Step 6: Final answer
x = 2,131,251.53
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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.