Finding the Fourth Proportional to 1,550,343.56, 2,138,993.26 and 905,298.44
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Solution
The fourth proportional to 1,550,343.56, 2,138,993.26 and 905,298.44 is: 1,249,031.06
Step by Step Solution
- Step 1: Write the proportion equation
1,550,343.56 : 2,138,993.26 = 905,298.44 : x - Step 2: Convert to fraction form
1,550,343.56/2,138,993.26 = 905,298.44/x - Step 3: Cross multiply
1,550,343.56x = 2,138,993.26 × 905,298.44 - Step 4: Simplify right side
1,550,343.56x = 1,936,427,248,490.30 - Step 5: Solve for x
x = 1,936,427,248,490.30/1,550,343.56 - Step 6: Final answer
x = 1,249,031.06
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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.