Finding the Fourth Proportional to 1,615,062.38, 2,228,885.63 and 889,909.99
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Solution
The fourth proportional to 1,615,062.38, 2,228,885.63 and 889,909.99 is: 1,228,130.63
Step by Step Solution
- Step 1: Write the proportion equation
1,615,062.38 : 2,228,885.63 = 889,909.99 : x - Step 2: Convert to fraction form
1,615,062.38/2,228,885.63 = 889,909.99/x - Step 3: Cross multiply
1,615,062.38x = 2,228,885.63 × 889,909.99 - Step 4: Simplify right side
1,615,062.38x = 1,983,507,585,357.00 - Step 5: Solve for x
x = 1,983,507,585,357.00/1,615,062.38 - Step 6: Final answer
x = 1,228,130.63
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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.