Finding the Fourth Proportional to 1,560,351.69, 2,153,278.28 and 872,023.05
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Solution
The fourth proportional to 1,560,351.69, 2,153,278.28 and 872,023.05 is: 1,203,387.87
Step by Step Solution
- Step 1: Write the proportion equation
1,560,351.69 : 2,153,278.28 = 872,023.05 : x - Step 2: Convert to fraction form
1,560,351.69/2,153,278.28 = 872,023.05/x - Step 3: Cross multiply
1,560,351.69x = 2,153,278.28 × 872,023.05 - Step 4: Simplify right side
1,560,351.69x = 1,877,708,295,404.41 - Step 5: Solve for x
x = 1,877,708,295,404.41/1,560,351.69 - Step 6: Final answer
x = 1,203,387.87
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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.