Finding the Fourth Proportional to 1,560,429.86, 2,153,284.44 and 881,235.14
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Solution
The fourth proportional to 1,560,429.86, 2,153,284.44 and 881,235.14 is: 1,216,043.07
Step by Step Solution
- Step 1: Write the proportion equation
1,560,429.86 : 2,153,284.44 = 881,235.14 : x - Step 2: Convert to fraction form
1,560,429.86/2,153,284.44 = 881,235.14/x - Step 3: Cross multiply
1,560,429.86x = 2,153,284.44 × 881,235.14 - Step 4: Simplify right side
1,560,429.86x = 1,897,549,914,943.22 - Step 5: Solve for x
x = 1,897,549,914,943.22/1,560,429.86 - Step 6: Final answer
x = 1,216,043.07
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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.